19705842

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3149

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 27992718

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3119, 3159, 6238, 6318, 9357, 18714, 28071, 40547, 56142, 81094, 84213, 121641, 168426, 243282, 252639, 364923, 505278, 729846, 757917, 1094769, 1515834, 2189538, 3284307, 6568614, 9852921, 19705842]

約数ペア:

[(1, 19705842), (2, 9852921), (3, 6568614), (6, 3284307), (9, 2189538), (13, 1515834), (18, 1094769), (26, 757917), (27, 729846), (39, 505278), (54, 364923), (78, 252639), (81, 243282), (117, 168426), (162, 121641), (234, 84213), (243, 81094), (351, 56142), (486, 40547), (702, 28071), (1053, 18714), (2106, 9357), (3119, 6318), (3159, 6238)]