18890674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 33327360

約数和(自身を除く): 14436686

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1051, 1634, 2102, 8987, 11561, 17974, 19969, 23122, 39938, 45193, 90386, 219659, 439318, 497123, 858667, 994246, 1717334, 9445337, 18890674]

約数ペア:

[(1, 18890674), (2, 9445337), (11, 1717334), (19, 994246), (22, 858667), (38, 497123), (43, 439318), (86, 219659), (209, 90386), (418, 45193), (473, 39938), (817, 23122), (946, 19969), (1051, 17974), (1634, 11561), (2102, 8987)]