19328920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37171}}^1$

素因数の和:37195

約数の個数: 32

約数和(自身を含む): 46836720

約数和(自身を除く): 27507800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37171, 74342, 148684, 185855, 297368, 371710, 483223, 743420, 966446, 1486840, 1932892, 2416115, 3865784, 4832230, 9664460, 19328920]

約数ペア:

[(1, 19328920), (2, 9664460), (4, 4832230), (5, 3865784), (8, 2416115), (10, 1932892), (13, 1486840), (20, 966446), (26, 743420), (40, 483223), (52, 371710), (65, 297368), (104, 185855), (130, 148684), (260, 74342), (520, 37171)]