18807003

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 28012608

約数和(自身を除く): 9205605

約数列:

[1, 3, 9, 47, 141, 173, 257, 423, 519, 771, 1557, 2313, 8131, 12079, 24393, 36237, 44461, 73179, 108711, 133383, 400149, 2089667, 6269001, 18807003]

約数ペア:

[(1, 18807003), (3, 6269001), (9, 2089667), (47, 400149), (141, 133383), (173, 108711), (257, 73179), (423, 44461), (519, 36237), (771, 24393), (1557, 12079), (2313, 8131)]