2019352885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 2842988544

約数和(自身を除く): 823635659

約数列:

[1, 5, 11, 37, 43, 47, 55, 185, 215, 235, 407, 473, 491, 517, 1591, 1739, 2021, 2035, 2365, 2455, 2585, 5401, 7955, 8695, 10105, 17501, 18167, 19129, 21113, 22231, 23077, 27005, 74777, 87505, 90835, 95645, 105565, 111155, 115385, 199837, 232243, 253847, 373885, 781181, 822547, 853849, 992311, 999185, 1161215, 1269235, 3905905, 4112735, 4269245, 4961555, 8592991, 9392339, 10915421, 36715507, 42964955, 46961695, 54577105, 183577535, 403870577, 2019352885]

約数ペア:

[(1, 2019352885), (5, 403870577), (11, 183577535), (37, 54577105), (43, 46961695), (47, 42964955), (55, 36715507), (185, 10915421), (215, 9392339), (235, 8592991), (407, 4961555), (473, 4269245), (491, 4112735), (517, 3905905), (1591, 1269235), (1739, 1161215), (2021, 999185), (2035, 992311), (2365, 853849), (2455, 822547), (2585, 781181), (5401, 373885), (7955, 253847), (8695, 232243), (10105, 199837), (17501, 115385), (18167, 111155), (19129, 105565), (21113, 95645), (22231, 90835), (23077, 87505), (27005, 74777)]