18902458

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2521}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 29779776

約数和(自身を除く): 10877318

約数列:

[1, 2, 23, 46, 163, 326, 2521, 3749, 5042, 7498, 57983, 115966, 410923, 821846, 9451229, 18902458]

約数ペア:

[(1, 18902458), (2, 9451229), (23, 821846), (46, 410923), (163, 115966), (326, 57983), (2521, 7498), (3749, 5042)]