18315296

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 19988704

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 499, 592, 992, 998, 1147, 1184, 1996, 2294, 3992, 4588, 7984, 9176, 15469, 15968, 18352, 18463, 30938, 36704, 36926, 61876, 73852, 123752, 147704, 247504, 295408, 495008, 572353, 590816, 1144706, 2289412, 4578824, 9157648, 18315296]

約数ペア:

[(1, 18315296), (2, 9157648), (4, 4578824), (8, 2289412), (16, 1144706), (31, 590816), (32, 572353), (37, 495008), (62, 295408), (74, 247504), (124, 147704), (148, 123752), (248, 73852), (296, 61876), (496, 36926), (499, 36704), (592, 30938), (992, 18463), (998, 18352), (1147, 15968), (1184, 15469), (1996, 9176), (2294, 7984), (3992, 4588)]