18906112

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 44

約数和(自身を含む): 38893000

約数和(自身を除く): 19986888

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 499, 512, 592, 998, 1024, 1184, 1996, 2368, 3992, 4736, 7984, 9472, 15968, 18463, 18944, 31936, 36926, 37888, 63872, 73852, 127744, 147704, 255488, 295408, 510976, 590816, 1181632, 2363264, 4726528, 9453056, 18906112]

約数ペア:

[(1, 18906112), (2, 9453056), (4, 4726528), (8, 2363264), (16, 1181632), (32, 590816), (37, 510976), (64, 295408), (74, 255488), (128, 147704), (148, 127744), (256, 73852), (296, 63872), (499, 37888), (512, 36926), (592, 31936), (998, 18944), (1024, 18463), (1184, 15968), (1996, 9472), (2368, 7984), (3992, 4736)]