18042868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 32788224

約数和(自身を除く): 14745356

約数列:

[1, 2, 4, 31, 62, 124, 227, 454, 641, 908, 1282, 2564, 7037, 14074, 19871, 28148, 39742, 79484, 145507, 291014, 582028, 4510717, 9021434, 18042868]

約数ペア:

[(1, 18042868), (2, 9021434), (4, 4510717), (31, 582028), (62, 291014), (124, 145507), (227, 79484), (454, 39742), (641, 28148), (908, 19871), (1282, 14074), (2564, 7037)]