19115650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 38595744

約数和(自身を除く): 19480094

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 170, 215, 425, 430, 523, 731, 850, 1046, 1075, 1462, 2150, 2615, 3655, 5230, 7310, 8891, 13075, 17782, 18275, 22489, 26150, 36550, 44455, 44978, 88910, 112445, 222275, 224890, 382313, 444550, 562225, 764626, 1124450, 1911565, 3823130, 9557825, 19115650]

約数ペア:

[(1, 19115650), (2, 9557825), (5, 3823130), (10, 1911565), (17, 1124450), (25, 764626), (34, 562225), (43, 444550), (50, 382313), (85, 224890), (86, 222275), (170, 112445), (215, 88910), (425, 44978), (430, 44455), (523, 36550), (731, 26150), (850, 22489), (1046, 18275), (1075, 17782), (1462, 13075), (2150, 8891), (2615, 7310), (3655, 5230)]