18637980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5861}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 53180064

約数和(自身を除く): 34542084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 5861, 11722, 17583, 23444, 29305, 35166, 58610, 70332, 87915, 117220, 175830, 310633, 351660, 621266, 931899, 1242532, 1553165, 1863798, 3106330, 3727596, 4659495, 6212660, 9318990, 18637980]

約数ペア:

[(1, 18637980), (2, 9318990), (3, 6212660), (4, 4659495), (5, 3727596), (6, 3106330), (10, 1863798), (12, 1553165), (15, 1242532), (20, 931899), (30, 621266), (53, 351660), (60, 310633), (106, 175830), (159, 117220), (212, 87915), (265, 70332), (318, 58610), (530, 35166), (636, 29305), (795, 23444), (1060, 17583), (1590, 11722), (3180, 5861)]