18558560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6823}}^1$

素因数の和:6855

約数の個数: 48

約数和(自身を含む): 46430496

約数和(自身を除く): 27871936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6823, 13646, 27292, 34115, 54584, 68230, 109168, 115991, 136460, 218336, 231982, 272920, 463964, 545840, 579955, 927928, 1091680, 1159910, 1855856, 2319820, 3711712, 4639640, 9279280, 18558560]

約数ペア:

[(1, 18558560), (2, 9279280), (4, 4639640), (5, 3711712), (8, 2319820), (10, 1855856), (16, 1159910), (17, 1091680), (20, 927928), (32, 579955), (34, 545840), (40, 463964), (68, 272920), (80, 231982), (85, 218336), (136, 136460), (160, 115991), (170, 109168), (272, 68230), (340, 54584), (544, 34115), (680, 27292), (1360, 13646), (2720, 6823)]