18291990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2081}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 44071776

約数和(自身を除く): 25779786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2081, 2930, 4162, 4395, 6243, 8790, 10405, 12486, 20810, 31215, 62430, 609733, 1219466, 1829199, 3048665, 3658398, 6097330, 9145995, 18291990]

約数ペア:

[(1, 18291990), (2, 9145995), (3, 6097330), (5, 3658398), (6, 3048665), (10, 1829199), (15, 1219466), (30, 609733), (293, 62430), (586, 31215), (879, 20810), (1465, 12486), (1758, 10405), (2081, 8790), (2930, 6243), (4162, 4395)]