19929042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 49612992

約数和(自身を除く): 29683950

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 571, 831, 1142, 1662, 1713, 1939, 2493, 3426, 3878, 3997, 4986, 5139, 5817, 7994, 10278, 11634, 11991, 17451, 23982, 34902, 35973, 71946, 158167, 316334, 474501, 949002, 1107169, 1423503, 2214338, 2847006, 3321507, 6643014, 9964521, 19929042]

約数ペア:

[(1, 19929042), (2, 9964521), (3, 6643014), (6, 3321507), (7, 2847006), (9, 2214338), (14, 1423503), (18, 1107169), (21, 949002), (42, 474501), (63, 316334), (126, 158167), (277, 71946), (554, 35973), (571, 34902), (831, 23982), (1142, 17451), (1662, 11991), (1713, 11634), (1939, 10278), (2493, 7994), (3426, 5817), (3878, 5139), (3997, 4986)]