19899044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21469276

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 719, 748, 814, 1258, 1438, 1628, 2516, 2876, 6919, 7909, 12223, 13838, 15818, 24446, 26603, 27676, 31636, 48892, 53206, 106412, 134453, 268906, 292633, 452251, 537812, 585266, 904502, 1170532, 1809004, 4974761, 9949522, 19899044]

約数ペア:

[(1, 19899044), (2, 9949522), (4, 4974761), (11, 1809004), (17, 1170532), (22, 904502), (34, 585266), (37, 537812), (44, 452251), (68, 292633), (74, 268906), (148, 134453), (187, 106412), (374, 53206), (407, 48892), (629, 31636), (719, 27676), (748, 26603), (814, 24446), (1258, 15818), (1438, 13838), (1628, 12223), (2516, 7909), (2876, 6919)]