18915848

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2267}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 21908152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2267, 4172, 4534, 8344, 9068, 15869, 18136, 31738, 63476, 126952, 337783, 675566, 1351132, 2364481, 2702264, 4728962, 9457924, 18915848]

約数ペア:

[(1, 18915848), (2, 9457924), (4, 4728962), (7, 2702264), (8, 2364481), (14, 1351132), (28, 675566), (56, 337783), (149, 126952), (298, 63476), (596, 31738), (1043, 18136), (1192, 15869), (2086, 9068), (2267, 8344), (4172, 4534)]