19684504

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 30081896

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 29, 31, 34, 46, 56, 58, 62, 68, 92, 116, 119, 124, 136, 161, 184, 203, 217, 232, 238, 248, 322, 391, 406, 434, 476, 493, 527, 644, 667, 713, 782, 812, 868, 899, 952, 986, 1054, 1288, 1334, 1426, 1564, 1624, 1736, 1798, 1972, 2108, 2668, 2737, 2852, 3128, 3451, 3596, 3689, 3944, 4216, 4669, 4991, 5336, 5474, 5704, 6293, 6902, 7192, 7378, 9338, 9982, 10948, 11339, 12121, 12586, 13804, 14756, 15283, 18676, 19964, 20677, 21896, 22678, 24242, 25172, 27608, 29512, 30566, 37352, 39928, 41354, 45356, 48484, 50344, 61132, 79373, 82708, 84847, 90712, 96968, 106981, 122264, 144739, 158746, 165416, 169694, 213962, 289478, 317492, 339388, 351509, 427924, 578956, 634984, 678776, 703018, 855848, 1157912, 1406036, 2460563, 2812072, 4921126, 9842252, 19684504]

約数ペア:

[(1, 19684504), (2, 9842252), (4, 4921126), (7, 2812072), (8, 2460563), (14, 1406036), (17, 1157912), (23, 855848), (28, 703018), (29, 678776), (31, 634984), (34, 578956), (46, 427924), (56, 351509), (58, 339388), (62, 317492), (68, 289478), (92, 213962), (116, 169694), (119, 165416), (124, 158746), (136, 144739), (161, 122264), (184, 106981), (203, 96968), (217, 90712), (232, 84847), (238, 82708), (248, 79373), (322, 61132), (391, 50344), (406, 48484), (434, 45356), (476, 41354), (493, 39928), (527, 37352), (644, 30566), (667, 29512), (713, 27608), (782, 25172), (812, 24242), (868, 22678), (899, 21896), (952, 20677), (986, 19964), (1054, 18676), (1288, 15283), (1334, 14756), (1426, 13804), (1564, 12586), (1624, 12121), (1736, 11339), (1798, 10948), (1972, 9982), (2108, 9338), (2668, 7378), (2737, 7192), (2852, 6902), (3128, 6293), (3451, 5704), (3596, 5474), (3689, 5336), (3944, 4991), (4216, 4669)]