19996284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 65802240

約数和(自身を除く): 45805956

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 19, 21, 22, 28, 33, 34, 38, 42, 44, 51, 57, 66, 67, 68, 76, 77, 84, 102, 114, 119, 132, 133, 134, 154, 187, 201, 204, 209, 228, 231, 238, 266, 268, 308, 323, 357, 374, 399, 402, 418, 462, 469, 476, 532, 561, 627, 646, 714, 737, 748, 798, 804, 836, 924, 938, 969, 1122, 1139, 1254, 1273, 1292, 1309, 1407, 1428, 1463, 1474, 1596, 1876, 1938, 2211, 2244, 2261, 2278, 2508, 2546, 2618, 2814, 2926, 2948, 3417, 3553, 3819, 3876, 3927, 4389, 4422, 4522, 4556, 5092, 5159, 5236, 5628, 5852, 6783, 6834, 7106, 7638, 7854, 7973, 8778, 8844, 8911, 9044, 10318, 10659, 12529, 13566, 13668, 14003, 14212, 15276, 15477, 15708, 15946, 17556, 17822, 20636, 21318, 21641, 23919, 24871, 25058, 26733, 27132, 28006, 30954, 31892, 35644, 37587, 42009, 42636, 43282, 47838, 49742, 50116, 53466, 56012, 61908, 64923, 74613, 75174, 84018, 86564, 87703, 95676, 98021, 99484, 106932, 129846, 149226, 150348, 151487, 168036, 175406, 196042, 238051, 259692, 263109, 294063, 298452, 302974, 350812, 392084, 454461, 476102, 526218, 588126, 605948, 714153, 908922, 952204, 1052436, 1176252, 1428306, 1666357, 1817844, 2856612, 3332714, 4999071, 6665428, 9998142, 19996284]

約数ペア:

[(1, 19996284), (2, 9998142), (3, 6665428), (4, 4999071), (6, 3332714), (7, 2856612), (11, 1817844), (12, 1666357), (14, 1428306), (17, 1176252), (19, 1052436), (21, 952204), (22, 908922), (28, 714153), (33, 605948), (34, 588126), (38, 526218), (42, 476102), (44, 454461), (51, 392084), (57, 350812), (66, 302974), (67, 298452), (68, 294063), (76, 263109), (77, 259692), (84, 238051), (102, 196042), (114, 175406), (119, 168036), (132, 151487), (133, 150348), (134, 149226), (154, 129846), (187, 106932), (201, 99484), (204, 98021), (209, 95676), (228, 87703), (231, 86564), (238, 84018), (266, 75174), (268, 74613), (308, 64923), (323, 61908), (357, 56012), (374, 53466), (399, 50116), (402, 49742), (418, 47838), (462, 43282), (469, 42636), (476, 42009), (532, 37587), (561, 35644), (627, 31892), (646, 30954), (714, 28006), (737, 27132), (748, 26733), (798, 25058), (804, 24871), (836, 23919), (924, 21641), (938, 21318), (969, 20636), (1122, 17822), (1139, 17556), (1254, 15946), (1273, 15708), (1292, 15477), (1309, 15276), (1407, 14212), (1428, 14003), (1463, 13668), (1474, 13566), (1596, 12529), (1876, 10659), (1938, 10318), (2211, 9044), (2244, 8911), (2261, 8844), (2278, 8778), (2508, 7973), (2546, 7854), (2618, 7638), (2814, 7106), (2926, 6834), (2948, 6783), (3417, 5852), (3553, 5628), (3819, 5236), (3876, 5159), (3927, 5092), (4389, 4556), (4422, 4522)]