18979662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3989}}^1$

素因数の和:4068

約数の個数: 32

約数和(自身を含む): 41559840

約数和(自身を除く): 22580178

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 3989, 4758, 7978, 11967, 23934, 51857, 103714, 155571, 243329, 311142, 486658, 729987, 1459974, 3163277, 6326554, 9489831, 18979662]

約数ペア:

[(1, 18979662), (2, 9489831), (3, 6326554), (6, 3163277), (13, 1459974), (26, 729987), (39, 486658), (61, 311142), (78, 243329), (122, 155571), (183, 103714), (366, 51857), (793, 23934), (1586, 11967), (2379, 7978), (3989, 4758)]