19109445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 32669568

約数和(自身を除く): 13560123

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 547, 685, 1641, 2055, 2329, 2735, 6987, 8205, 9299, 11645, 27897, 34935, 46495, 74939, 139485, 224817, 374695, 1124085, 1273963, 3821889, 6369815, 19109445]

約数ペア:

[(1, 19109445), (3, 6369815), (5, 3821889), (15, 1273963), (17, 1124085), (51, 374695), (85, 224817), (137, 139485), (255, 74939), (411, 46495), (547, 34935), (685, 27897), (1641, 11645), (2055, 9299), (2329, 8205), (2735, 6987)]