18285655220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{198197}}^1$

素因数の和:198872

約数の個数: 48

約数和(自身を含む): 43952388480

約数和(自身を除く): 25666733260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4613, 6590, 9226, 13180, 18452, 23065, 46130, 92260, 198197, 396394, 792788, 990985, 1387379, 1981970, 2774758, 3963940, 5549516, 6936895, 13873790, 27747580, 130611823, 261223646, 522447292, 653059115, 914282761, 1306118230, 1828565522, 2612236460, 3657131044, 4571413805, 9142827610, 18285655220]

約数ペア:

[(1, 18285655220), (2, 9142827610), (4, 4571413805), (5, 3657131044), (7, 2612236460), (10, 1828565522), (14, 1306118230), (20, 914282761), (28, 653059115), (35, 522447292), (70, 261223646), (140, 130611823), (659, 27747580), (1318, 13873790), (2636, 6936895), (3295, 5549516), (4613, 3963940), (6590, 2774758), (9226, 1981970), (13180, 1387379), (18452, 990985), (23065, 792788), (46130, 396394), (92260, 198197)]