18038528

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 37184448

約数和(自身を除く): 19145920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2273, 3968, 4546, 7936, 9092, 18184, 36368, 70463, 72736, 140926, 145472, 281852, 290944, 563704, 581888, 1127408, 2254816, 4509632, 9019264, 18038528]

約数ペア:

[(1, 18038528), (2, 9019264), (4, 4509632), (8, 2254816), (16, 1127408), (31, 581888), (32, 563704), (62, 290944), (64, 281852), (124, 145472), (128, 140926), (248, 72736), (256, 70463), (496, 36368), (992, 18184), (1984, 9092), (2273, 7936), (3968, 4546)]