2019621890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{128393}}^1$

素因数の和:128435

約数の個数: 48

約数和(自身を含む): 4303253304

約数和(自身を除く): 2283631414

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 7865, 15730, 128393, 256786, 641965, 1283930, 1412323, 1669109, 2824646, 3338218, 7061615, 8345545, 14123230, 15535553, 16691090, 18360199, 31071106, 36720398, 77677765, 91800995, 155355530, 183601990, 201962189, 403924378, 1009810945, 2019621890]

約数ペア:

[(1, 2019621890), (2, 1009810945), (5, 403924378), (10, 201962189), (11, 183601990), (13, 155355530), (22, 91800995), (26, 77677765), (55, 36720398), (65, 31071106), (110, 18360199), (121, 16691090), (130, 15535553), (143, 14123230), (242, 8345545), (286, 7061615), (605, 3338218), (715, 2824646), (1210, 1669109), (1430, 1412323), (1573, 1283930), (3146, 641965), (7865, 256786), (15730, 128393)]