19410620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42197}}^1$

素因数の和:42229

約数の個数: 24

約数和(自身を含む): 42535584

約数和(自身を除く): 23124964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42197, 84394, 168788, 210985, 421970, 843940, 970531, 1941062, 3882124, 4852655, 9705310, 19410620]

約数ペア:

[(1, 19410620), (2, 9705310), (4, 4852655), (5, 3882124), (10, 1941062), (20, 970531), (23, 843940), (46, 421970), (92, 210985), (115, 168788), (230, 84394), (460, 42197)]