19670320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12973

約数の個数: 40

約数和(自身を含む): 48144240

約数和(自身を除く): 28473920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12941, 25882, 51764, 64705, 103528, 129410, 207056, 245879, 258820, 491758, 517640, 983516, 1035280, 1229395, 1967032, 2458790, 3934064, 4917580, 9835160, 19670320]

約数ペア:

[(1, 19670320), (2, 9835160), (4, 4917580), (5, 3934064), (8, 2458790), (10, 1967032), (16, 1229395), (19, 1035280), (20, 983516), (38, 517640), (40, 491758), (76, 258820), (80, 245879), (95, 207056), (152, 129410), (190, 103528), (304, 64705), (380, 51764), (760, 25882), (1520, 12941)]