18337480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 47808000

約数和(自身を除く): 29470520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 829, 1106, 1580, 1658, 2212, 2765, 3160, 3316, 4145, 4424, 5530, 5803, 6632, 8290, 11060, 11606, 16580, 22120, 23212, 29015, 33160, 46424, 58030, 65491, 116060, 130982, 232120, 261964, 327455, 458437, 523928, 654910, 916874, 1309820, 1833748, 2292185, 2619640, 3667496, 4584370, 9168740, 18337480]

約数ペア:

[(1, 18337480), (2, 9168740), (4, 4584370), (5, 3667496), (7, 2619640), (8, 2292185), (10, 1833748), (14, 1309820), (20, 916874), (28, 654910), (35, 523928), (40, 458437), (56, 327455), (70, 261964), (79, 232120), (140, 130982), (158, 116060), (280, 65491), (316, 58030), (395, 46424), (553, 33160), (632, 29015), (790, 23212), (829, 22120), (1106, 16580), (1580, 11606), (1658, 11060), (2212, 8290), (2765, 6632), (3160, 5803), (3316, 5530), (4145, 4424)]