19945116

素因数分解:

$2^2\times 3^4\times {\mathrm{61559}}^1$

素因数の和:61575

約数の個数: 30

約数和(自身を含む): 52141320

約数和(自身を除く): 32196204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61559, 123118, 184677, 246236, 369354, 554031, 738708, 1108062, 1662093, 2216124, 3324186, 4986279, 6648372, 9972558, 19945116]

約数ペア:

[(1, 19945116), (2, 9972558), (3, 6648372), (4, 4986279), (6, 3324186), (9, 2216124), (12, 1662093), (18, 1108062), (27, 738708), (36, 554031), (54, 369354), (81, 246236), (108, 184677), (162, 123118), (324, 61559)]