17856774

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 44111760

約数和(自身を除く): 26254986

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 81, 117, 122, 139, 162, 183, 234, 278, 351, 366, 417, 549, 702, 793, 834, 1053, 1098, 1251, 1586, 1647, 1807, 2106, 2379, 2502, 3294, 3614, 3753, 4758, 4941, 5421, 7137, 7506, 8479, 9882, 10842, 11259, 14274, 16263, 16958, 21411, 22518, 25437, 32526, 42822, 48789, 50874, 64233, 76311, 97578, 110227, 128466, 146367, 152622, 220454, 228933, 292734, 330681, 457866, 661362, 686799, 992043, 1373598, 1984086, 2976129, 5952258, 8928387, 17856774]

約数ペア:

[(1, 17856774), (2, 8928387), (3, 5952258), (6, 2976129), (9, 1984086), (13, 1373598), (18, 992043), (26, 686799), (27, 661362), (39, 457866), (54, 330681), (61, 292734), (78, 228933), (81, 220454), (117, 152622), (122, 146367), (139, 128466), (162, 110227), (183, 97578), (234, 76311), (278, 64233), (351, 50874), (366, 48789), (417, 42822), (549, 32526), (702, 25437), (793, 22518), (834, 21411), (1053, 16958), (1098, 16263), (1251, 14274), (1586, 11259), (1647, 10842), (1807, 9882), (2106, 8479), (2379, 7506), (2502, 7137), (3294, 5421), (3614, 4941), (3753, 4758)]