18688210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17599790

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2399, 3895, 4798, 7790, 11995, 23990, 45581, 91162, 98359, 196718, 227905, 455810, 491795, 983590, 1868821, 3737642, 9344105, 18688210]

約数ペア:

[(1, 18688210), (2, 9344105), (5, 3737642), (10, 1868821), (19, 983590), (38, 491795), (41, 455810), (82, 227905), (95, 196718), (190, 98359), (205, 91162), (410, 45581), (779, 23990), (1558, 11995), (2399, 7790), (3895, 4798)]