18356793

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 31718400

約数和(自身を除く): 13361607

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3539, 5187, 10617, 24773, 46007, 67241, 74319, 138021, 201723, 322049, 470687, 874133, 966147, 1412061, 2622399, 6118931, 18356793]

約数ペア:

[(1, 18356793), (3, 6118931), (7, 2622399), (13, 1412061), (19, 966147), (21, 874133), (39, 470687), (57, 322049), (91, 201723), (133, 138021), (247, 74319), (273, 67241), (399, 46007), (741, 24773), (1729, 10617), (3539, 5187)]