18610280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2753}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 45358380

約数和(自身を除く): 26748100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2753, 3380, 5506, 6760, 11012, 13765, 22024, 27530, 35789, 55060, 71578, 110120, 143156, 178945, 286312, 357890, 465257, 715780, 930514, 1431560, 1861028, 2326285, 3722056, 4652570, 9305140, 18610280]

約数ペア:

[(1, 18610280), (2, 9305140), (4, 4652570), (5, 3722056), (8, 2326285), (10, 1861028), (13, 1431560), (20, 930514), (26, 715780), (40, 465257), (52, 357890), (65, 286312), (104, 178945), (130, 143156), (169, 110120), (260, 71578), (338, 55060), (520, 35789), (676, 27530), (845, 22024), (1352, 13765), (1690, 11012), (2753, 6760), (3380, 5506)]