18996842970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30153719}}^1$

素因数の和:30153739

約数の個数: 48

約数和(自身を含む): 56447763840

約数和(自身を除く): 37450920870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30153719, 60307438, 90461157, 150768595, 180922314, 211076033, 271383471, 301537190, 422152066, 452305785, 542766942, 633228099, 904611570, 1055380165, 1266456198, 1356917355, 1899684297, 2110760330, 2713834710, 3166140495, 3799368594, 6332280990, 9498421485, 18996842970]

約数ペア:

[(1, 18996842970), (2, 9498421485), (3, 6332280990), (5, 3799368594), (6, 3166140495), (7, 2713834710), (9, 2110760330), (10, 1899684297), (14, 1356917355), (15, 1266456198), (18, 1055380165), (21, 904611570), (30, 633228099), (35, 542766942), (42, 452305785), (45, 422152066), (63, 301537190), (70, 271383471), (90, 211076033), (105, 180922314), (126, 150768595), (210, 90461157), (315, 60307438), (630, 30153719)]