18987384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3244

約数の個数: 64

約数和(自身を含む): 53827200

約数和(自身を除く): 34839816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3203, 5928, 6406, 9609, 12812, 19218, 25624, 38436, 41639, 60857, 76872, 83278, 121714, 124917, 166556, 182571, 243428, 249834, 333112, 365142, 486856, 499668, 730284, 791141, 999336, 1460568, 1582282, 2373423, 3164564, 4746846, 6329128, 9493692, 18987384]

約数ペア:

[(1, 18987384), (2, 9493692), (3, 6329128), (4, 4746846), (6, 3164564), (8, 2373423), (12, 1582282), (13, 1460568), (19, 999336), (24, 791141), (26, 730284), (38, 499668), (39, 486856), (52, 365142), (57, 333112), (76, 249834), (78, 243428), (104, 182571), (114, 166556), (152, 124917), (156, 121714), (228, 83278), (247, 76872), (312, 60857), (456, 41639), (494, 38436), (741, 25624), (988, 19218), (1482, 12812), (1976, 9609), (2964, 6406), (3203, 5928)]