18998847364

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{41851}}^1$

素因数の和:42416

約数の個数: 48

約数和(自身を含む): 39299362816

約数和(自身を除く): 20300515452

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 523, 868, 1046, 2092, 3661, 7322, 14644, 16213, 32426, 41851, 64852, 83702, 113491, 167404, 226982, 292957, 453964, 585914, 1171828, 1297381, 2594762, 5189524, 9081667, 18163334, 21888073, 36326668, 43776146, 87552292, 153216511, 306433022, 612866044, 678530263, 1357060526, 2714121052, 4749711841, 9499423682, 18998847364]

約数ペア:

[(1, 18998847364), (2, 9499423682), (4, 4749711841), (7, 2714121052), (14, 1357060526), (28, 678530263), (31, 612866044), (62, 306433022), (124, 153216511), (217, 87552292), (434, 43776146), (523, 36326668), (868, 21888073), (1046, 18163334), (2092, 9081667), (3661, 5189524), (7322, 2594762), (14644, 1297381), (16213, 1171828), (32426, 585914), (41851, 453964), (64852, 292957), (83702, 226982), (113491, 167404)]