18459008

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 39142500

約数和(自身を除く): 20683492

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 499, 544, 578, 998, 1088, 1156, 1996, 2176, 2312, 3992, 4624, 7984, 8483, 9248, 15968, 16966, 18496, 31936, 33932, 36992, 63872, 67864, 135728, 144211, 271456, 288422, 542912, 576844, 1085824, 1153688, 2307376, 4614752, 9229504, 18459008]

約数ペア:

[(1, 18459008), (2, 9229504), (4, 4614752), (8, 2307376), (16, 1153688), (17, 1085824), (32, 576844), (34, 542912), (64, 288422), (68, 271456), (128, 144211), (136, 135728), (272, 67864), (289, 63872), (499, 36992), (544, 33932), (578, 31936), (998, 18496), (1088, 16966), (1156, 15968), (1996, 9248), (2176, 8483), (2312, 7984), (3992, 4624)]