18873296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2979

約数の個数: 40

約数和(自身を含む): 40664064

約数和(自身を除く): 21790768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 2927, 3224, 5854, 6448, 11708, 23416, 38051, 46832, 76102, 90737, 152204, 181474, 304408, 362948, 608816, 725896, 1179581, 1451792, 2359162, 4718324, 9436648, 18873296]

約数ペア:

[(1, 18873296), (2, 9436648), (4, 4718324), (8, 2359162), (13, 1451792), (16, 1179581), (26, 725896), (31, 608816), (52, 362948), (62, 304408), (104, 181474), (124, 152204), (208, 90737), (248, 76102), (403, 46832), (496, 38051), (806, 23416), (1612, 11708), (2927, 6448), (3224, 5854)]