18974826

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 25709814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 619, 786, 1179, 1238, 1703, 1857, 2358, 3406, 3714, 5109, 5571, 8047, 10218, 11142, 15327, 16094, 24141, 30654, 48282, 72423, 81089, 144846, 162178, 243267, 486534, 729801, 1054157, 1459602, 2108314, 3162471, 6324942, 9487413, 18974826]

約数ペア:

[(1, 18974826), (2, 9487413), (3, 6324942), (6, 3162471), (9, 2108314), (13, 1459602), (18, 1054157), (26, 729801), (39, 486534), (78, 243267), (117, 162178), (131, 144846), (234, 81089), (262, 72423), (393, 48282), (619, 30654), (786, 24141), (1179, 16094), (1238, 15327), (1703, 11142), (1857, 10218), (2358, 8047), (3406, 5571), (3714, 5109)]