2018018090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{258389}}^1$

素因数の和:258478

約数の個数: 32

約数和(自身を含む): 4018481280

約数和(自身を除く): 2000463190

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 258389, 516778, 1291945, 2583890, 2842279, 5684558, 14211395, 18345619, 28422790, 36691238, 91728095, 183456190, 201801809, 403603618, 1009009045, 2018018090]

約数ペア:

[(1, 2018018090), (2, 1009009045), (5, 403603618), (10, 201801809), (11, 183456190), (22, 91728095), (55, 36691238), (71, 28422790), (110, 18345619), (142, 14211395), (355, 5684558), (710, 2842279), (781, 2583890), (1562, 1291945), (3905, 516778), (7810, 258389)]