18828732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 47712672

約数和(自身を除く): 28883940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 881, 1644, 1762, 1781, 2643, 3524, 3562, 5286, 5343, 7124, 10572, 10686, 11453, 21372, 22906, 34359, 45812, 68718, 120697, 137436, 241394, 362091, 482788, 724182, 1448364, 1569061, 3138122, 4707183, 6276244, 9414366, 18828732]

約数ペア:

[(1, 18828732), (2, 9414366), (3, 6276244), (4, 4707183), (6, 3138122), (12, 1569061), (13, 1448364), (26, 724182), (39, 482788), (52, 362091), (78, 241394), (137, 137436), (156, 120697), (274, 68718), (411, 45812), (548, 34359), (822, 22906), (881, 21372), (1644, 11453), (1762, 10686), (1781, 10572), (2643, 7124), (3524, 5343), (3562, 5286)]