20191338

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 47155680

約数和(自身を除く): 26964342

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1373, 1634, 2451, 2746, 4119, 4902, 7353, 8238, 12357, 14706, 24714, 26087, 52174, 59039, 78261, 118078, 156522, 177117, 234783, 354234, 469566, 531351, 1062702, 1121741, 2243482, 3365223, 6730446, 10095669, 20191338]

約数ペア:

[(1, 20191338), (2, 10095669), (3, 6730446), (6, 3365223), (9, 2243482), (18, 1121741), (19, 1062702), (38, 531351), (43, 469566), (57, 354234), (86, 234783), (114, 177117), (129, 156522), (171, 118078), (258, 78261), (342, 59039), (387, 52174), (774, 26087), (817, 24714), (1373, 14706), (1634, 12357), (2451, 8238), (2746, 7353), (4119, 4902)]