17900748

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 29404692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 89, 111, 148, 151, 178, 222, 267, 302, 333, 356, 444, 453, 534, 604, 666, 801, 906, 1068, 1332, 1359, 1602, 1812, 2718, 3204, 3293, 5436, 5587, 6586, 9879, 11174, 13172, 13439, 16761, 19758, 22348, 26878, 29637, 33522, 39516, 40317, 50283, 53756, 59274, 67044, 80634, 100566, 118548, 120951, 161268, 201132, 241902, 483804, 497243, 994486, 1491729, 1988972, 2983458, 4475187, 5966916, 8950374, 17900748]

約数ペア:

[(1, 17900748), (2, 8950374), (3, 5966916), (4, 4475187), (6, 2983458), (9, 1988972), (12, 1491729), (18, 994486), (36, 497243), (37, 483804), (74, 241902), (89, 201132), (111, 161268), (148, 120951), (151, 118548), (178, 100566), (222, 80634), (267, 67044), (302, 59274), (333, 53756), (356, 50283), (444, 40317), (453, 39516), (534, 33522), (604, 29637), (666, 26878), (801, 22348), (906, 19758), (1068, 16761), (1332, 13439), (1359, 13172), (1602, 11174), (1812, 9879), (2718, 6586), (3204, 5587), (3293, 5436)]