18403504

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4441}}^1$

素因数の和:4493

約数の個数: 40

約数和(自身を含む): 41861408

約数和(自身を除く): 23457904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4441, 8882, 17764, 31087, 35528, 62174, 71056, 124348, 164317, 248696, 328634, 497392, 657268, 1150219, 1314536, 2300438, 2629072, 4600876, 9201752, 18403504]

約数ペア:

[(1, 18403504), (2, 9201752), (4, 4600876), (7, 2629072), (8, 2300438), (14, 1314536), (16, 1150219), (28, 657268), (37, 497392), (56, 328634), (74, 248696), (112, 164317), (148, 124348), (259, 71056), (296, 62174), (518, 35528), (592, 31087), (1036, 17764), (2072, 8882), (4144, 4441)]