1900431940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8638327}}^1$

素因数の和:8638347

約数の個数: 24

約数和(自身を含む): 4353717312

約数和(自身を除く): 2453285372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8638327, 17276654, 34553308, 43191635, 86383270, 95021597, 172766540, 190043194, 380086388, 475107985, 950215970, 1900431940]

約数ペア:

[(1, 1900431940), (2, 950215970), (4, 475107985), (5, 380086388), (10, 190043194), (11, 172766540), (20, 95021597), (22, 86383270), (44, 43191635), (55, 34553308), (110, 17276654), (220, 8638327)]