19772568

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 54100800

約数和(自身を除く): 34328232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2719, 3636, 5438, 7272, 8157, 10876, 16314, 21752, 24471, 32628, 48942, 65256, 97884, 195768, 274619, 549238, 823857, 1098476, 1647714, 2196952, 2471571, 3295428, 4943142, 6590856, 9886284, 19772568]

約数ペア:

[(1, 19772568), (2, 9886284), (3, 6590856), (4, 4943142), (6, 3295428), (8, 2471571), (9, 2196952), (12, 1647714), (18, 1098476), (24, 823857), (36, 549238), (72, 274619), (101, 195768), (202, 97884), (303, 65256), (404, 48942), (606, 32628), (808, 24471), (909, 21752), (1212, 16314), (1818, 10876), (2424, 8157), (2719, 7272), (3636, 5438)]