18311235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 12543933

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 743, 795, 1643, 2229, 3715, 4929, 8215, 11145, 23033, 24645, 39379, 69099, 115165, 118137, 196895, 345495, 590685, 1220749, 3662247, 6103745, 18311235]

約数ペア:

[(1, 18311235), (3, 6103745), (5, 3662247), (15, 1220749), (31, 590685), (53, 345495), (93, 196895), (155, 118137), (159, 115165), (265, 69099), (465, 39379), (743, 24645), (795, 23033), (1643, 11145), (2229, 8215), (3715, 4929)]