19846970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13910

約数の個数: 32

約数和(自身を含む): 41973120

約数和(自身を除く): 22126150

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13879, 27758, 69395, 138790, 152669, 180427, 305338, 360854, 763345, 902135, 1526690, 1804270, 1984697, 3969394, 9923485, 19846970]

約数ペア:

[(1, 19846970), (2, 9923485), (5, 3969394), (10, 1984697), (11, 1804270), (13, 1526690), (22, 902135), (26, 763345), (55, 360854), (65, 305338), (110, 180427), (130, 152669), (143, 138790), (286, 69395), (715, 27758), (1430, 13879)]