18374460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23582

約数の個数: 48

約数和(自身を含む): 55408416

約数和(自身を除く): 37033956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23557, 47114, 70671, 94228, 117785, 141342, 235570, 282684, 306241, 353355, 471140, 612482, 706710, 918723, 1224964, 1413420, 1531205, 1837446, 3062410, 3674892, 4593615, 6124820, 9187230, 18374460]

約数ペア:

[(1, 18374460), (2, 9187230), (3, 6124820), (4, 4593615), (5, 3674892), (6, 3062410), (10, 1837446), (12, 1531205), (13, 1413420), (15, 1224964), (20, 918723), (26, 706710), (30, 612482), (39, 471140), (52, 353355), (60, 306241), (65, 282684), (78, 235570), (130, 141342), (156, 117785), (195, 94228), (260, 70671), (390, 47114), (780, 23557)]