18443716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 33044760

約数和(自身を除く): 14601044

約数列:

[1, 2, 4, 61, 122, 244, 269, 281, 538, 562, 1076, 1124, 16409, 17141, 32818, 34282, 65636, 68564, 75589, 151178, 302356, 4610929, 9221858, 18443716]

約数ペア:

[(1, 18443716), (2, 9221858), (4, 4610929), (61, 302356), (122, 151178), (244, 75589), (269, 68564), (281, 65636), (538, 34282), (562, 32818), (1076, 17141), (1124, 16409)]