18485120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1735

約数の個数: 64

約数和(自身を含む): 46818000

約数和(自身を除く): 28332880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1699, 2176, 2720, 3398, 5440, 6796, 8495, 10880, 13592, 16990, 27184, 28883, 33980, 54368, 57766, 67960, 108736, 115532, 135920, 144415, 217472, 231064, 271840, 288830, 462128, 543680, 577660, 924256, 1087360, 1155320, 1848512, 2310640, 3697024, 4621280, 9242560, 18485120]

約数ペア:

[(1, 18485120), (2, 9242560), (4, 4621280), (5, 3697024), (8, 2310640), (10, 1848512), (16, 1155320), (17, 1087360), (20, 924256), (32, 577660), (34, 543680), (40, 462128), (64, 288830), (68, 271840), (80, 231064), (85, 217472), (128, 144415), (136, 135920), (160, 115532), (170, 108736), (272, 67960), (320, 57766), (340, 54368), (544, 33980), (640, 28883), (680, 27184), (1088, 16990), (1360, 13592), (1699, 10880), (2176, 8495), (2720, 6796), (3398, 5440)]