18442435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 7270205

約数列:

[1, 5, 11, 23, 55, 61, 115, 239, 253, 305, 671, 1195, 1265, 1403, 2629, 3355, 5497, 7015, 13145, 14579, 15433, 27485, 60467, 72895, 77165, 160369, 302335, 335317, 801845, 1676585, 3688487, 18442435]

約数ペア:

[(1, 18442435), (5, 3688487), (11, 1676585), (23, 801845), (55, 335317), (61, 302335), (115, 160369), (239, 77165), (253, 72895), (305, 60467), (671, 27485), (1195, 15433), (1265, 14579), (1403, 13145), (2629, 7015), (3355, 5497)]