12381940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7459}}^1$

素因数の和:7551

約数の個数: 24

約数和(自身を含む): 26318880

約数和(自身を除く): 13936940

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 7459, 14918, 29836, 37295, 74590, 149180, 619097, 1238194, 2476388, 3095485, 6190970, 12381940]

約数ペア:

[(1, 12381940), (2, 6190970), (4, 3095485), (5, 2476388), (10, 1238194), (20, 619097), (83, 149180), (166, 74590), (332, 37295), (415, 29836), (830, 14918), (1660, 7459)]