19895928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 54848640

約数和(自身を除く): 34952712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1483, 1677, 2236, 2966, 3354, 4449, 4472, 5932, 6708, 8898, 11864, 13416, 17796, 19279, 35592, 38558, 57837, 63769, 77116, 115674, 127538, 154232, 191307, 231348, 255076, 382614, 462696, 510152, 765228, 828997, 1530456, 1657994, 2486991, 3315988, 4973982, 6631976, 9947964, 19895928]

約数ペア:

[(1, 19895928), (2, 9947964), (3, 6631976), (4, 4973982), (6, 3315988), (8, 2486991), (12, 1657994), (13, 1530456), (24, 828997), (26, 765228), (39, 510152), (43, 462696), (52, 382614), (78, 255076), (86, 231348), (104, 191307), (129, 154232), (156, 127538), (172, 115674), (258, 77116), (312, 63769), (344, 57837), (516, 38558), (559, 35592), (1032, 19279), (1118, 17796), (1483, 13416), (1677, 11864), (2236, 8898), (2966, 6708), (3354, 5932), (4449, 4472)]