19589025460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{284807}}^1$

素因数の和:285016

約数の個数: 48

約数和(自身を含む): 43541447040

約数和(自身を除く): 23952421580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 6878, 13756, 17195, 34390, 68780, 284807, 569614, 1139228, 1424035, 2848070, 5411333, 5696140, 10822666, 21645332, 27056665, 51550067, 54113330, 103100134, 108226660, 206200268, 257750335, 515500670, 979451273, 1031001340, 1958902546, 3917805092, 4897256365, 9794512730, 19589025460]

約数ペア:

[(1, 19589025460), (2, 9794512730), (4, 4897256365), (5, 3917805092), (10, 1958902546), (19, 1031001340), (20, 979451273), (38, 515500670), (76, 257750335), (95, 206200268), (181, 108226660), (190, 103100134), (362, 54113330), (380, 51550067), (724, 27056665), (905, 21645332), (1810, 10822666), (3439, 5696140), (3620, 5411333), (6878, 2848070), (13756, 1424035), (17195, 1139228), (34390, 569614), (68780, 284807)]