18319964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{617}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 34642608

約数和(自身を除く): 16322644

約数列:

[1, 2, 4, 13, 26, 52, 571, 617, 1142, 1234, 2284, 2468, 7423, 8021, 14846, 16042, 29692, 32084, 352307, 704614, 1409228, 4579991, 9159982, 18319964]

約数ペア:

[(1, 18319964), (2, 9159982), (4, 4579991), (13, 1409228), (26, 704614), (52, 352307), (571, 32084), (617, 29692), (1142, 16042), (1234, 14846), (2284, 8021), (2468, 7423)]