18840432

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 53086880

約数和(自身を除く): 34246448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 109, 156, 208, 218, 277, 312, 327, 436, 554, 624, 654, 831, 872, 1108, 1308, 1417, 1662, 1744, 2216, 2616, 2834, 3324, 3601, 4251, 4432, 5232, 5668, 6648, 7202, 8502, 10803, 11336, 13296, 14404, 17004, 21606, 22672, 28808, 30193, 34008, 43212, 57616, 60386, 68016, 86424, 90579, 120772, 172848, 181158, 241544, 362316, 392509, 483088, 724632, 785018, 1177527, 1449264, 1570036, 2355054, 3140072, 4710108, 6280144, 9420216, 18840432]

約数ペア:

[(1, 18840432), (2, 9420216), (3, 6280144), (4, 4710108), (6, 3140072), (8, 2355054), (12, 1570036), (13, 1449264), (16, 1177527), (24, 785018), (26, 724632), (39, 483088), (48, 392509), (52, 362316), (78, 241544), (104, 181158), (109, 172848), (156, 120772), (208, 90579), (218, 86424), (277, 68016), (312, 60386), (327, 57616), (436, 43212), (554, 34008), (624, 30193), (654, 28808), (831, 22672), (872, 21606), (1108, 17004), (1308, 14404), (1417, 13296), (1662, 11336), (1744, 10803), (2216, 8502), (2616, 7202), (2834, 6648), (3324, 5668), (3601, 5232), (4251, 4432)]