18180942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 41373696

約数和(自身を除く): 23192754

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 103, 146, 186, 206, 219, 309, 403, 438, 618, 806, 949, 1209, 1339, 1898, 2263, 2418, 2678, 2847, 3193, 4017, 4526, 5694, 6386, 6789, 7519, 8034, 9579, 13578, 15038, 19158, 22557, 29419, 41509, 45114, 58838, 83018, 88257, 97747, 124527, 176514, 195494, 233089, 249054, 293241, 466178, 586482, 699267, 1398534, 3030157, 6060314, 9090471, 18180942]

約数ペア:

[(1, 18180942), (2, 9090471), (3, 6060314), (6, 3030157), (13, 1398534), (26, 699267), (31, 586482), (39, 466178), (62, 293241), (73, 249054), (78, 233089), (93, 195494), (103, 176514), (146, 124527), (186, 97747), (206, 88257), (219, 83018), (309, 58838), (403, 45114), (438, 41509), (618, 29419), (806, 22557), (949, 19158), (1209, 15038), (1339, 13578), (1898, 9579), (2263, 8034), (2418, 7519), (2678, 6789), (2847, 6386), (3193, 5694), (4017, 4526)]