19678924

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1051}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 35818496

約数和(自身を除く): 16139572

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1051, 2102, 4204, 4681, 9362, 18724, 32581, 65162, 130324, 158701, 317402, 634804, 4919731, 9839462, 19678924]

約数ペア:

[(1, 19678924), (2, 9839462), (4, 4919731), (31, 634804), (62, 317402), (124, 158701), (151, 130324), (302, 65162), (604, 32581), (1051, 18724), (2102, 9362), (4204, 4681)]