18688908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7177}}^1$

素因数の和:7222

約数の個数: 48

約数和(自身を含む): 51451904

約数和(自身を除く): 32762996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7177, 14354, 21531, 28708, 43062, 50239, 86124, 100478, 150717, 200956, 222487, 301434, 444974, 602868, 667461, 889948, 1334922, 1557409, 2669844, 3114818, 4672227, 6229636, 9344454, 18688908]

約数ペア:

[(1, 18688908), (2, 9344454), (3, 6229636), (4, 4672227), (6, 3114818), (7, 2669844), (12, 1557409), (14, 1334922), (21, 889948), (28, 667461), (31, 602868), (42, 444974), (62, 301434), (84, 222487), (93, 200956), (124, 150717), (186, 100478), (217, 86124), (372, 50239), (434, 43062), (651, 28708), (868, 21531), (1302, 14354), (2604, 7177)]