18842772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 49381024

約数和(自身を除く): 30538252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 53, 78, 86, 106, 129, 156, 159, 172, 212, 258, 318, 516, 559, 636, 689, 1118, 1378, 1677, 2067, 2236, 2279, 2756, 2809, 3354, 4134, 4558, 5618, 6708, 6837, 8268, 8427, 9116, 11236, 13674, 16854, 27348, 29627, 33708, 36517, 59254, 73034, 88881, 109551, 118508, 120787, 146068, 177762, 219102, 241574, 355524, 362361, 438204, 483148, 724722, 1449444, 1570231, 3140462, 4710693, 6280924, 9421386, 18842772]

約数ペア:

[(1, 18842772), (2, 9421386), (3, 6280924), (4, 4710693), (6, 3140462), (12, 1570231), (13, 1449444), (26, 724722), (39, 483148), (43, 438204), (52, 362361), (53, 355524), (78, 241574), (86, 219102), (106, 177762), (129, 146068), (156, 120787), (159, 118508), (172, 109551), (212, 88881), (258, 73034), (318, 59254), (516, 36517), (559, 33708), (636, 29627), (689, 27348), (1118, 16854), (1378, 13674), (1677, 11236), (2067, 9116), (2236, 8427), (2279, 8268), (2756, 6837), (2809, 6708), (3354, 5618), (4134, 4558)]