18357760

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 45077472

約数和(自身を除く): 26719712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 101, 128, 142, 160, 202, 256, 284, 320, 355, 404, 505, 512, 568, 640, 710, 808, 1010, 1136, 1280, 1420, 1616, 2020, 2272, 2560, 2840, 3232, 4040, 4544, 5680, 6464, 7171, 8080, 9088, 11360, 12928, 14342, 16160, 18176, 22720, 25856, 28684, 32320, 35855, 36352, 45440, 51712, 57368, 64640, 71710, 90880, 114736, 129280, 143420, 181760, 229472, 258560, 286840, 458944, 573680, 917888, 1147360, 1835776, 2294720, 3671552, 4589440, 9178880, 18357760]

約数ペア:

[(1, 18357760), (2, 9178880), (4, 4589440), (5, 3671552), (8, 2294720), (10, 1835776), (16, 1147360), (20, 917888), (32, 573680), (40, 458944), (64, 286840), (71, 258560), (80, 229472), (101, 181760), (128, 143420), (142, 129280), (160, 114736), (202, 90880), (256, 71710), (284, 64640), (320, 57368), (355, 51712), (404, 45440), (505, 36352), (512, 35855), (568, 32320), (640, 28684), (710, 25856), (808, 22720), (1010, 18176), (1136, 16160), (1280, 14342), (1420, 12928), (1616, 11360), (2020, 9088), (2272, 8080), (2560, 7171), (2840, 6464), (3232, 5680), (4040, 4544)]