19915074

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15583}}^1$

素因数の和:15662

約数の個数: 24

約数和(自身を含む): 43759872

約数和(自身を除く): 23844798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15583, 31166, 46749, 93498, 140247, 280494, 1106393, 2212786, 3319179, 6638358, 9957537, 19915074]

約数ペア:

[(1, 19915074), (2, 9957537), (3, 6638358), (6, 3319179), (9, 2212786), (18, 1106393), (71, 280494), (142, 140247), (213, 93498), (426, 46749), (639, 31166), (1278, 15583)]