18895558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13763642

約数列:

[1, 2, 11, 22, 23, 46, 107, 214, 253, 349, 506, 698, 1177, 2354, 2461, 3839, 4922, 7678, 8027, 16054, 27071, 37343, 54142, 74686, 88297, 176594, 410773, 821546, 858889, 1717778, 9447779, 18895558]

約数ペア:

[(1, 18895558), (2, 9447779), (11, 1717778), (22, 858889), (23, 821546), (46, 410773), (107, 176594), (214, 88297), (253, 74686), (349, 54142), (506, 37343), (698, 27071), (1177, 16054), (2354, 8027), (2461, 7678), (3839, 4922)]