18205184

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 60

約数和(自身を含む): 38601882

約数和(自身を除く): 20396698

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 256, 296, 496, 512, 592, 961, 992, 1147, 1184, 1922, 1984, 2294, 2368, 3844, 3968, 4588, 4736, 7688, 7936, 9176, 9472, 15376, 15872, 18352, 18944, 30752, 35557, 36704, 61504, 71114, 73408, 123008, 142228, 146816, 246016, 284456, 293632, 492032, 568912, 587264, 1137824, 2275648, 4551296, 9102592, 18205184]

約数ペア:

[(1, 18205184), (2, 9102592), (4, 4551296), (8, 2275648), (16, 1137824), (31, 587264), (32, 568912), (37, 492032), (62, 293632), (64, 284456), (74, 246016), (124, 146816), (128, 142228), (148, 123008), (248, 73408), (256, 71114), (296, 61504), (496, 36704), (512, 35557), (592, 30752), (961, 18944), (992, 18352), (1147, 15872), (1184, 15376), (1922, 9472), (1984, 9176), (2294, 7936), (2368, 7688), (3844, 4736), (3968, 4588)]