19811243860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{190823}}^1$

素因数の和:191040

約数の個数: 48

約数和(自身を含む): 43278883200

約数和(自身を除く): 23467639340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 895, 1790, 3580, 5191, 10382, 20764, 25955, 51910, 103820, 190823, 381646, 763292, 954115, 1908230, 3816460, 5533867, 11067734, 22135468, 27669335, 34157317, 55338670, 68314634, 110677340, 136629268, 170786585, 341573170, 683146340, 990562193, 1981124386, 3962248772, 4952810965, 9905621930, 19811243860]

約数ペア:

[(1, 19811243860), (2, 9905621930), (4, 4952810965), (5, 3962248772), (10, 1981124386), (20, 990562193), (29, 683146340), (58, 341573170), (116, 170786585), (145, 136629268), (179, 110677340), (290, 68314634), (358, 55338670), (580, 34157317), (716, 27669335), (895, 22135468), (1790, 11067734), (3580, 5533867), (5191, 3816460), (10382, 1908230), (20764, 954115), (25955, 763292), (51910, 381646), (103820, 190823)]