18247908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 49132160

約数和(自身を除く): 30884252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 1993, 2289, 3052, 3986, 4578, 5979, 7972, 9156, 11958, 13951, 23916, 27902, 41853, 55804, 83706, 167412, 217237, 434474, 651711, 868948, 1303422, 1520659, 2606844, 3041318, 4561977, 6082636, 9123954, 18247908]

約数ペア:

[(1, 18247908), (2, 9123954), (3, 6082636), (4, 4561977), (6, 3041318), (7, 2606844), (12, 1520659), (14, 1303422), (21, 868948), (28, 651711), (42, 434474), (84, 217237), (109, 167412), (218, 83706), (327, 55804), (436, 41853), (654, 27902), (763, 23916), (1308, 13951), (1526, 11958), (1993, 9156), (2289, 7972), (3052, 5979), (3986, 4578)]