13399370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 12261430

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 647, 1090, 1294, 2071, 3235, 4142, 6470, 10355, 12293, 20710, 24586, 61465, 70523, 122930, 141046, 352615, 705230, 1339937, 2679874, 6699685, 13399370]

約数ペア:

[(1, 13399370), (2, 6699685), (5, 2679874), (10, 1339937), (19, 705230), (38, 352615), (95, 141046), (109, 122930), (190, 70523), (218, 61465), (545, 24586), (647, 20710), (1090, 12293), (1294, 10355), (2071, 6470), (3235, 4142)]