18876339

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 27955200

約数和(自身を除く): 9078861

約数列:

[1, 3, 9, 79, 139, 191, 237, 417, 573, 711, 1251, 1719, 10981, 15089, 26549, 32943, 45267, 79647, 98829, 135801, 238941, 2097371, 6292113, 18876339]

約数ペア:

[(1, 18876339), (3, 6292113), (9, 2097371), (79, 238941), (139, 135801), (191, 98829), (237, 79647), (417, 45267), (573, 32943), (711, 26549), (1251, 15089), (1719, 10981)]