2018955770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7499}}^1$

素因数の和:7647

約数の個数: 64

約数和(自身を含む): 4158000000

約数和(自身を除く): 2139044230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 109, 130, 190, 218, 247, 494, 545, 1090, 1235, 1417, 2071, 2470, 2834, 4142, 7085, 7499, 10355, 14170, 14998, 20710, 26923, 37495, 53846, 74990, 97487, 134615, 142481, 194974, 269230, 284962, 487435, 712405, 817391, 974870, 1424810, 1634782, 1852253, 3704506, 4086955, 8173910, 9261265, 10626083, 15530429, 18522530, 21252166, 31060858, 53130415, 77652145, 106260830, 155304290, 201895577, 403791154, 1009477885, 2018955770]

約数ペア:

[(1, 2018955770), (2, 1009477885), (5, 403791154), (10, 201895577), (13, 155304290), (19, 106260830), (26, 77652145), (38, 53130415), (65, 31060858), (95, 21252166), (109, 18522530), (130, 15530429), (190, 10626083), (218, 9261265), (247, 8173910), (494, 4086955), (545, 3704506), (1090, 1852253), (1235, 1634782), (1417, 1424810), (2071, 974870), (2470, 817391), (2834, 712405), (4142, 487435), (7085, 284962), (7499, 269230), (10355, 194974), (14170, 142481), (14998, 134615), (20710, 97487), (26923, 74990), (37495, 53846)]