18394970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 36970560

約数和(自身を除く): 18575590

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 3889, 4730, 7778, 19445, 38890, 42779, 85558, 167227, 213895, 334454, 427790, 836135, 1672270, 1839497, 3678994, 9197485, 18394970]

約数ペア:

[(1, 18394970), (2, 9197485), (5, 3678994), (10, 1839497), (11, 1672270), (22, 836135), (43, 427790), (55, 334454), (86, 213895), (110, 167227), (215, 85558), (430, 42779), (473, 38890), (946, 19445), (2365, 7778), (3889, 4730)]