15643998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12241}}^1$

素因数の和:12320

約数の個数: 24

約数和(自身を含む): 34375536

約数和(自身を除く): 18731538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 12241, 24482, 36723, 73446, 110169, 220338, 869111, 1738222, 2607333, 5214666, 7821999, 15643998]

約数ペア:

[(1, 15643998), (2, 7821999), (3, 5214666), (6, 2607333), (9, 1738222), (18, 869111), (71, 220338), (142, 110169), (213, 73446), (426, 36723), (639, 24482), (1278, 12241)]