1931036690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21487}}^1$

素因数の和:21567

約数の個数: 64

約数和(自身を含む): 4084439040

約数和(自身を除く): 2153402350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 817, 946, 1045, 1634, 2090, 2365, 4085, 4730, 8170, 8987, 17974, 21487, 42974, 44935, 89870, 107435, 214870, 236357, 408253, 472714, 816506, 923941, 1181785, 1847882, 2041265, 2363570, 4082530, 4490783, 4619705, 8981566, 9239410, 10163351, 17554879, 20326702, 22453915, 35109758, 44907830, 50816755, 87774395, 101633510, 175548790, 193103669, 386207338, 965518345, 1931036690]

約数ペア:

[(1, 1931036690), (2, 965518345), (5, 386207338), (10, 193103669), (11, 175548790), (19, 101633510), (22, 87774395), (38, 50816755), (43, 44907830), (55, 35109758), (86, 22453915), (95, 20326702), (110, 17554879), (190, 10163351), (209, 9239410), (215, 8981566), (418, 4619705), (430, 4490783), (473, 4082530), (817, 2363570), (946, 2041265), (1045, 1847882), (1634, 1181785), (2090, 923941), (2365, 816506), (4085, 472714), (4730, 408253), (8170, 236357), (8987, 214870), (17974, 107435), (21487, 89870), (42974, 44935)]