18982404

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 60903360

約数和(自身を除く): 41920956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 211, 238, 252, 294, 306, 357, 378, 422, 441, 459, 476, 588, 612, 633, 714, 756, 833, 844, 882, 918, 1071, 1266, 1323, 1428, 1477, 1666, 1764, 1836, 1899, 2142, 2499, 2532, 2646, 2954, 3213, 3332, 3587, 3798, 4284, 4431, 4998, 5292, 5697, 5908, 6426, 7174, 7497, 7596, 8862, 9996, 10339, 10761, 11394, 12852, 13293, 14348, 14994, 17724, 20678, 21522, 22491, 22788, 25109, 26586, 29988, 31017, 32283, 39879, 41356, 43044, 44982, 50218, 53172, 62034, 64566, 75327, 79758, 89964, 93051, 96849, 100436, 124068, 129132, 150654, 159516, 175763, 186102, 193698, 225981, 279153, 301308, 351526, 372204, 387396, 451962, 527289, 558306, 677943, 703052, 903924, 1054578, 1116612, 1355886, 1581867, 2109156, 2711772, 3163734, 4745601, 6327468, 9491202, 18982404]

約数ペア:

[(1, 18982404), (2, 9491202), (3, 6327468), (4, 4745601), (6, 3163734), (7, 2711772), (9, 2109156), (12, 1581867), (14, 1355886), (17, 1116612), (18, 1054578), (21, 903924), (27, 703052), (28, 677943), (34, 558306), (36, 527289), (42, 451962), (49, 387396), (51, 372204), (54, 351526), (63, 301308), (68, 279153), (84, 225981), (98, 193698), (102, 186102), (108, 175763), (119, 159516), (126, 150654), (147, 129132), (153, 124068), (189, 100436), (196, 96849), (204, 93051), (211, 89964), (238, 79758), (252, 75327), (294, 64566), (306, 62034), (357, 53172), (378, 50218), (422, 44982), (441, 43044), (459, 41356), (476, 39879), (588, 32283), (612, 31017), (633, 29988), (714, 26586), (756, 25109), (833, 22788), (844, 22491), (882, 21522), (918, 20678), (1071, 17724), (1266, 14994), (1323, 14348), (1428, 13293), (1477, 12852), (1666, 11394), (1764, 10761), (1836, 10339), (1899, 9996), (2142, 8862), (2499, 7596), (2532, 7497), (2646, 7174), (2954, 6426), (3213, 5908), (3332, 5697), (3587, 5292), (3798, 4998), (4284, 4431)]