19219480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 30857960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 827, 830, 1162, 1654, 1660, 2324, 2905, 3308, 3320, 4135, 4648, 5789, 5810, 6616, 8270, 11578, 11620, 16540, 23156, 23240, 28945, 33080, 46312, 57890, 68641, 115780, 137282, 231560, 274564, 343205, 480487, 549128, 686410, 960974, 1372820, 1921948, 2402435, 2745640, 3843896, 4804870, 9609740, 19219480]

約数ペア:

[(1, 19219480), (2, 9609740), (4, 4804870), (5, 3843896), (7, 2745640), (8, 2402435), (10, 1921948), (14, 1372820), (20, 960974), (28, 686410), (35, 549128), (40, 480487), (56, 343205), (70, 274564), (83, 231560), (140, 137282), (166, 115780), (280, 68641), (332, 57890), (415, 46312), (581, 33080), (664, 28945), (827, 23240), (830, 23156), (1162, 16540), (1654, 11620), (1660, 11578), (2324, 8270), (2905, 6616), (3308, 5810), (3320, 5789), (4135, 4648)]