18530560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 45916416

約数和(自身を除く): 27385856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 467, 496, 620, 640, 934, 992, 1240, 1280, 1868, 1984, 2335, 2480, 3736, 3968, 4670, 4960, 7472, 7936, 9340, 9920, 14477, 14944, 18680, 19840, 28954, 29888, 37360, 39680, 57908, 59776, 72385, 74720, 115816, 119552, 144770, 149440, 231632, 289540, 298880, 463264, 579080, 597760, 926528, 1158160, 1853056, 2316320, 3706112, 4632640, 9265280, 18530560]

約数ペア:

[(1, 18530560), (2, 9265280), (4, 4632640), (5, 3706112), (8, 2316320), (10, 1853056), (16, 1158160), (20, 926528), (31, 597760), (32, 579080), (40, 463264), (62, 298880), (64, 289540), (80, 231632), (124, 149440), (128, 144770), (155, 119552), (160, 115816), (248, 74720), (256, 72385), (310, 59776), (320, 57908), (467, 39680), (496, 37360), (620, 29888), (640, 28954), (934, 19840), (992, 18680), (1240, 14944), (1280, 14477), (1868, 9920), (1984, 9340), (2335, 7936), (2480, 7472), (3736, 4960), (3968, 4670)]