19362640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22003}}^1$

素因数の和:22027

約数の個数: 40

約数和(自身を含む): 49112928

約数和(自身を除く): 29750288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22003, 44006, 88012, 110015, 176024, 220030, 242033, 352048, 440060, 484066, 880120, 968132, 1210165, 1760240, 1936264, 2420330, 3872528, 4840660, 9681320, 19362640]

約数ペア:

[(1, 19362640), (2, 9681320), (4, 4840660), (5, 3872528), (8, 2420330), (10, 1936264), (11, 1760240), (16, 1210165), (20, 968132), (22, 880120), (40, 484066), (44, 440060), (55, 352048), (80, 242033), (88, 220030), (110, 176024), (176, 110015), (220, 88012), (440, 44006), (880, 22003)]