17941984

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 36741600

約数和(自身を除く): 18799616

約数列:

[1, 2, 4, 8, 16, 32, 53, 71, 106, 142, 149, 212, 284, 298, 424, 568, 596, 848, 1136, 1192, 1696, 2272, 2384, 3763, 4768, 7526, 7897, 10579, 15052, 15794, 21158, 30104, 31588, 42316, 60208, 63176, 84632, 120416, 126352, 169264, 252704, 338528, 560687, 1121374, 2242748, 4485496, 8970992, 17941984]

約数ペア:

[(1, 17941984), (2, 8970992), (4, 4485496), (8, 2242748), (16, 1121374), (32, 560687), (53, 338528), (71, 252704), (106, 169264), (142, 126352), (149, 120416), (212, 84632), (284, 63176), (298, 60208), (424, 42316), (568, 31588), (596, 30104), (848, 21158), (1136, 15794), (1192, 15052), (1696, 10579), (2272, 7897), (2384, 7526), (3763, 4768)]