19849554

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 44341440

約数和(自身を除く): 24491886

約数列:

[1, 2, 3, 6, 9, 18, 67, 109, 134, 151, 201, 218, 302, 327, 402, 453, 603, 654, 906, 981, 1206, 1359, 1962, 2718, 7303, 10117, 14606, 16459, 20234, 21909, 30351, 32918, 43818, 49377, 60702, 65727, 91053, 98754, 131454, 148131, 182106, 296262, 1102753, 2205506, 3308259, 6616518, 9924777, 19849554]

約数ペア:

[(1, 19849554), (2, 9924777), (3, 6616518), (6, 3308259), (9, 2205506), (18, 1102753), (67, 296262), (109, 182106), (134, 148131), (151, 131454), (201, 98754), (218, 91053), (302, 65727), (327, 60702), (402, 49377), (453, 43818), (603, 32918), (654, 30351), (906, 21909), (981, 20234), (1206, 16459), (1359, 14606), (1962, 10117), (2718, 7303)]