19873386

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 47960640

約数和(自身を除く): 28087254

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 139, 141, 169, 234, 278, 282, 338, 417, 423, 507, 611, 834, 846, 1014, 1222, 1251, 1521, 1807, 1833, 2502, 3042, 3614, 3666, 5421, 5499, 6533, 7943, 10842, 10998, 13066, 15886, 16263, 19599, 23491, 23829, 32526, 39198, 46982, 47658, 58797, 70473, 71487, 84929, 117594, 140946, 142974, 169858, 211419, 254787, 422838, 509574, 764361, 1104077, 1528722, 2208154, 3312231, 6624462, 9936693, 19873386]

約数ペア:

[(1, 19873386), (2, 9936693), (3, 6624462), (6, 3312231), (9, 2208154), (13, 1528722), (18, 1104077), (26, 764361), (39, 509574), (47, 422838), (78, 254787), (94, 211419), (117, 169858), (139, 142974), (141, 140946), (169, 117594), (234, 84929), (278, 71487), (282, 70473), (338, 58797), (417, 47658), (423, 46982), (507, 39198), (611, 32526), (834, 23829), (846, 23491), (1014, 19599), (1222, 16263), (1251, 15886), (1521, 13066), (1807, 10998), (1833, 10842), (2502, 7943), (3042, 6533), (3614, 5499), (3666, 5421)]