20171844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 67092480

約数和(自身を除く): 46920636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 383, 396, 399, 418, 462, 532, 627, 684, 693, 766, 798, 836, 924, 1149, 1197, 1254, 1386, 1463, 1532, 1596, 1881, 2298, 2394, 2508, 2681, 2772, 2926, 3447, 3762, 4213, 4389, 4596, 4788, 5362, 5852, 6894, 7277, 7524, 8043, 8426, 8778, 10724, 12639, 13167, 13788, 14554, 16086, 16852, 17556, 21831, 24129, 25278, 26334, 29108, 29491, 32172, 37917, 43662, 48258, 50556, 50939, 52668, 58982, 65493, 75834, 80047, 87324, 88473, 96516, 101878, 117964, 130986, 151668, 152817, 160094, 176946, 203756, 240141, 261972, 265419, 305634, 320188, 353892, 458451, 480282, 530838, 560329, 611268, 720423, 916902, 960564, 1061676, 1120658, 1440846, 1680987, 1833804, 2241316, 2881692, 3361974, 5042961, 6723948, 10085922, 20171844]

約数ペア:

[(1, 20171844), (2, 10085922), (3, 6723948), (4, 5042961), (6, 3361974), (7, 2881692), (9, 2241316), (11, 1833804), (12, 1680987), (14, 1440846), (18, 1120658), (19, 1061676), (21, 960564), (22, 916902), (28, 720423), (33, 611268), (36, 560329), (38, 530838), (42, 480282), (44, 458451), (57, 353892), (63, 320188), (66, 305634), (76, 265419), (77, 261972), (84, 240141), (99, 203756), (114, 176946), (126, 160094), (132, 152817), (133, 151668), (154, 130986), (171, 117964), (198, 101878), (209, 96516), (228, 88473), (231, 87324), (252, 80047), (266, 75834), (308, 65493), (342, 58982), (383, 52668), (396, 50939), (399, 50556), (418, 48258), (462, 43662), (532, 37917), (627, 32172), (684, 29491), (693, 29108), (766, 26334), (798, 25278), (836, 24129), (924, 21831), (1149, 17556), (1197, 16852), (1254, 16086), (1386, 14554), (1463, 13788), (1532, 13167), (1596, 12639), (1881, 10724), (2298, 8778), (2394, 8426), (2508, 8043), (2681, 7524), (2772, 7277), (2926, 6894), (3447, 5852), (3762, 5362), (4213, 4788), (4389, 4596)]