18139932

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 47803392

約数和(自身を除く): 29663460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 71, 94, 141, 142, 151, 188, 213, 282, 284, 302, 423, 426, 453, 564, 604, 639, 846, 852, 906, 1278, 1359, 1692, 1812, 2556, 2718, 3337, 5436, 6674, 7097, 10011, 10721, 13348, 14194, 20022, 21291, 21442, 28388, 30033, 32163, 40044, 42582, 42884, 60066, 63873, 64326, 85164, 96489, 120132, 127746, 128652, 192978, 255492, 385956, 503887, 1007774, 1511661, 2015548, 3023322, 4534983, 6046644, 9069966, 18139932]

約数ペア:

[(1, 18139932), (2, 9069966), (3, 6046644), (4, 4534983), (6, 3023322), (9, 2015548), (12, 1511661), (18, 1007774), (36, 503887), (47, 385956), (71, 255492), (94, 192978), (141, 128652), (142, 127746), (151, 120132), (188, 96489), (213, 85164), (282, 64326), (284, 63873), (302, 60066), (423, 42884), (426, 42582), (453, 40044), (564, 32163), (604, 30033), (639, 28388), (846, 21442), (852, 21291), (906, 20022), (1278, 14194), (1359, 13348), (1692, 10721), (1812, 10011), (2556, 7097), (2718, 6674), (3337, 5436)]