2019475460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619471}}^1$

素因数の和:619643

約数の個数: 24

約数和(自身を含む): 4266923136

約数和(自身を除く): 2247447676

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 619471, 1238942, 2477884, 3097355, 6194710, 12389420, 100973773, 201947546, 403895092, 504868865, 1009737730, 2019475460]

約数ペア:

[(1, 2019475460), (2, 1009737730), (4, 504868865), (5, 403895092), (10, 201947546), (20, 100973773), (163, 12389420), (326, 6194710), (652, 3097355), (815, 2477884), (1630, 1238942), (3260, 619471)]