19934574

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 46759680

約数和(自身を除く): 26825106

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 109, 163, 187, 218, 326, 327, 374, 489, 561, 654, 978, 1122, 1199, 1793, 1853, 2398, 2771, 3586, 3597, 3706, 5379, 5542, 5559, 7194, 8313, 10758, 11118, 16626, 17767, 20383, 30481, 35534, 40766, 53301, 60962, 61149, 91443, 106602, 122298, 182886, 195437, 302039, 390874, 586311, 604078, 906117, 1172622, 1812234, 3322429, 6644858, 9967287, 19934574]

約数ペア:

[(1, 19934574), (2, 9967287), (3, 6644858), (6, 3322429), (11, 1812234), (17, 1172622), (22, 906117), (33, 604078), (34, 586311), (51, 390874), (66, 302039), (102, 195437), (109, 182886), (163, 122298), (187, 106602), (218, 91443), (326, 61149), (327, 60962), (374, 53301), (489, 40766), (561, 35534), (654, 30481), (978, 20383), (1122, 17767), (1199, 16626), (1793, 11118), (1853, 10758), (2398, 8313), (2771, 7194), (3586, 5559), (3597, 5542), (3706, 5379)]