19536140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26186740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2591, 3770, 5182, 7540, 10364, 12955, 25910, 33683, 51820, 67366, 75139, 134732, 150278, 168415, 300556, 336830, 375695, 673660, 751390, 976807, 1502780, 1953614, 3907228, 4884035, 9768070, 19536140]

約数ペア:

[(1, 19536140), (2, 9768070), (4, 4884035), (5, 3907228), (10, 1953614), (13, 1502780), (20, 976807), (26, 751390), (29, 673660), (52, 375695), (58, 336830), (65, 300556), (116, 168415), (130, 150278), (145, 134732), (260, 75139), (290, 67366), (377, 51820), (580, 33683), (754, 25910), (1508, 12955), (1885, 10364), (2591, 7540), (3770, 5182)]