18034720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10247}}^1$

素因数の和:10273

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 28450208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10247, 20494, 40988, 51235, 81976, 102470, 112717, 163952, 204940, 225434, 327904, 409880, 450868, 563585, 819760, 901736, 1127170, 1639520, 1803472, 2254340, 3606944, 4508680, 9017360, 18034720]

約数ペア:

[(1, 18034720), (2, 9017360), (4, 4508680), (5, 3606944), (8, 2254340), (10, 1803472), (11, 1639520), (16, 1127170), (20, 901736), (22, 819760), (32, 563585), (40, 450868), (44, 409880), (55, 327904), (80, 225434), (88, 204940), (110, 163952), (160, 112717), (176, 102470), (220, 81976), (352, 51235), (440, 40988), (880, 20494), (1760, 10247)]