19889290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 17559926

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 773, 830, 1546, 2573, 3865, 5146, 7730, 12865, 23963, 25730, 47926, 64159, 119815, 128318, 239630, 320795, 641590, 1988929, 3977858, 9944645, 19889290]

約数ペア:

[(1, 19889290), (2, 9944645), (5, 3977858), (10, 1988929), (31, 641590), (62, 320795), (83, 239630), (155, 128318), (166, 119815), (310, 64159), (415, 47926), (773, 25730), (830, 23963), (1546, 12865), (2573, 7730), (3865, 5146)]