18613888

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4736

約数の個数: 32

約数和(自身を含む): 38286720

約数和(自身を除く): 19672832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4691, 9382, 18764, 37528, 75056, 145421, 150112, 290842, 300224, 581684, 600448, 1163368, 2326736, 4653472, 9306944, 18613888]

約数ペア:

[(1, 18613888), (2, 9306944), (4, 4653472), (8, 2326736), (16, 1163368), (31, 600448), (32, 581684), (62, 300224), (64, 290842), (124, 150112), (128, 145421), (248, 75056), (496, 37528), (992, 18764), (1984, 9382), (3968, 4691)]