18736240

素因数分解:

$2^4\times 5^1\times {\mathrm{234203}}^1$

素因数の和:234216

約数の個数: 20

約数和(自身を含む): 43561944

約数和(自身を除く): 24825704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234203, 468406, 936812, 1171015, 1873624, 2342030, 3747248, 4684060, 9368120, 18736240]

約数ペア:

[(1, 18736240), (2, 9368120), (4, 4684060), (5, 3747248), (8, 2342030), (10, 1873624), (16, 1171015), (20, 936812), (40, 468406), (80, 234203)]