19492711870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1409}}^1\times {\mathrm{4787}}^1$

素因数の和:6237

約数の個数: 48

約数和(自身を含む): 37306468080

約数和(自身を除く): 17813756210

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1409, 1445, 2818, 2890, 4787, 7045, 9574, 14090, 23935, 23953, 47870, 47906, 81379, 119765, 162758, 239530, 406895, 407201, 813790, 814402, 1383443, 2036005, 2766886, 4072010, 6744883, 6917215, 13489766, 13834430, 33724415, 67448830, 114663011, 229326022, 573315055, 1146630110, 1949271187, 3898542374, 9746355935, 19492711870]

約数ペア:

[(1, 19492711870), (2, 9746355935), (5, 3898542374), (10, 1949271187), (17, 1146630110), (34, 573315055), (85, 229326022), (170, 114663011), (289, 67448830), (578, 33724415), (1409, 13834430), (1445, 13489766), (2818, 6917215), (2890, 6744883), (4787, 4072010), (7045, 2766886), (9574, 2036005), (14090, 1383443), (23935, 814402), (23953, 813790), (47870, 407201), (47906, 406895), (81379, 239530), (119765, 162758)]