19981374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 25845186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 778, 1167, 1223, 2334, 2446, 2723, 3669, 5446, 7338, 8169, 8561, 16338, 17122, 25683, 51366, 475747, 951494, 1427241, 2854482, 3330229, 6660458, 9990687, 19981374]

約数ペア:

[(1, 19981374), (2, 9990687), (3, 6660458), (6, 3330229), (7, 2854482), (14, 1427241), (21, 951494), (42, 475747), (389, 51366), (778, 25683), (1167, 17122), (1223, 16338), (2334, 8561), (2446, 8169), (2723, 7338), (3669, 5446)]