18996914888630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{53835449}}^1$

素因数の和:53835605

約数の個数: 48

約数和(自身を含む): 39637534442400

約数和(自身を除く): 20640619553770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 5041, 10082, 25205, 35287, 50410, 70574, 176435, 352870, 53835449, 107670898, 269177245, 376848143, 538354490, 753696286, 1884240715, 3768481430, 3822316879, 7644633758, 19111584395, 26756218153, 38223168790, 53512436306, 133781090765, 267562181530, 271384498409, 542768996818, 1356922492045, 1899691488863, 2713844984090, 3799382977726, 9498457444315, 18996914888630]

約数ペア:

[(1, 18996914888630), (2, 9498457444315), (5, 3799382977726), (7, 2713844984090), (10, 1899691488863), (14, 1356922492045), (35, 542768996818), (70, 271384498409), (71, 267562181530), (142, 133781090765), (355, 53512436306), (497, 38223168790), (710, 26756218153), (994, 19111584395), (2485, 7644633758), (4970, 3822316879), (5041, 3768481430), (10082, 1884240715), (25205, 753696286), (35287, 538354490), (50410, 376848143), (70574, 269177245), (176435, 107670898), (352870, 53835449)]