19964868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 65028096

約数和(自身を除く): 45063228

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 31, 33, 34, 41, 42, 44, 51, 62, 66, 68, 77, 82, 84, 93, 102, 119, 123, 124, 132, 154, 164, 186, 187, 204, 217, 231, 238, 246, 287, 308, 341, 357, 372, 374, 434, 451, 462, 476, 492, 527, 561, 574, 651, 682, 697, 714, 748, 861, 868, 902, 924, 1023, 1054, 1122, 1148, 1271, 1302, 1309, 1353, 1364, 1394, 1428, 1581, 1722, 1804, 2046, 2091, 2108, 2244, 2387, 2542, 2604, 2618, 2706, 2788, 3157, 3162, 3444, 3689, 3813, 3927, 4092, 4182, 4774, 4879, 5084, 5236, 5412, 5797, 6314, 6324, 7161, 7378, 7626, 7667, 7854, 8364, 8897, 9471, 9548, 9758, 11067, 11594, 12628, 13981, 14322, 14637, 14756, 15252, 15334, 15708, 17391, 17794, 18942, 19516, 21607, 22134, 23001, 23188, 26691, 27962, 28644, 29274, 30668, 34782, 35588, 37884, 40579, 41943, 43214, 44268, 46002, 53382, 53669, 55924, 58548, 64821, 69564, 81158, 83886, 86428, 92004, 97867, 106764, 107338, 121737, 129642, 151249, 161007, 162316, 167772, 195734, 214676, 237677, 243474, 259284, 293601, 302498, 322014, 391468, 453747, 475354, 486948, 587202, 604996, 644028, 713031, 907494, 950708, 1174404, 1426062, 1663739, 1814988, 2852124, 3327478, 4991217, 6654956, 9982434, 19964868]

約数ペア:

[(1, 19964868), (2, 9982434), (3, 6654956), (4, 4991217), (6, 3327478), (7, 2852124), (11, 1814988), (12, 1663739), (14, 1426062), (17, 1174404), (21, 950708), (22, 907494), (28, 713031), (31, 644028), (33, 604996), (34, 587202), (41, 486948), (42, 475354), (44, 453747), (51, 391468), (62, 322014), (66, 302498), (68, 293601), (77, 259284), (82, 243474), (84, 237677), (93, 214676), (102, 195734), (119, 167772), (123, 162316), (124, 161007), (132, 151249), (154, 129642), (164, 121737), (186, 107338), (187, 106764), (204, 97867), (217, 92004), (231, 86428), (238, 83886), (246, 81158), (287, 69564), (308, 64821), (341, 58548), (357, 55924), (372, 53669), (374, 53382), (434, 46002), (451, 44268), (462, 43214), (476, 41943), (492, 40579), (527, 37884), (561, 35588), (574, 34782), (651, 30668), (682, 29274), (697, 28644), (714, 27962), (748, 26691), (861, 23188), (868, 23001), (902, 22134), (924, 21607), (1023, 19516), (1054, 18942), (1122, 17794), (1148, 17391), (1271, 15708), (1302, 15334), (1309, 15252), (1353, 14756), (1364, 14637), (1394, 14322), (1428, 13981), (1581, 12628), (1722, 11594), (1804, 11067), (2046, 9758), (2091, 9548), (2108, 9471), (2244, 8897), (2387, 8364), (2542, 7854), (2604, 7667), (2618, 7626), (2706, 7378), (2788, 7161), (3157, 6324), (3162, 6314), (3444, 5797), (3689, 5412), (3813, 5236), (3927, 5084), (4092, 4879), (4182, 4774)]