18818718

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 39077376

約数和(自身を除く): 20258658

約数列:

[1, 2, 3, 6, 37, 74, 103, 111, 206, 222, 309, 618, 823, 1646, 2469, 3811, 4938, 7622, 11433, 22866, 30451, 60902, 84769, 91353, 169538, 182706, 254307, 508614, 3136453, 6272906, 9409359, 18818718]

約数ペア:

[(1, 18818718), (2, 9409359), (3, 6272906), (6, 3136453), (37, 508614), (74, 254307), (103, 182706), (111, 169538), (206, 91353), (222, 84769), (309, 60902), (618, 30451), (823, 22866), (1646, 11433), (2469, 7622), (3811, 4938)]