19421580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3637}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 55006560

約数和(自身を除く): 35584980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3637, 5340, 7274, 10911, 14548, 18185, 21822, 36370, 43644, 54555, 72740, 109110, 218220, 323693, 647386, 971079, 1294772, 1618465, 1942158, 3236930, 3884316, 4855395, 6473860, 9710790, 19421580]

約数ペア:

[(1, 19421580), (2, 9710790), (3, 6473860), (4, 4855395), (5, 3884316), (6, 3236930), (10, 1942158), (12, 1618465), (15, 1294772), (20, 971079), (30, 647386), (60, 323693), (89, 218220), (178, 109110), (267, 72740), (356, 54555), (445, 43644), (534, 36370), (890, 21822), (1068, 18185), (1335, 14548), (1780, 10911), (2670, 7274), (3637, 5340)]