18993516

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 45628800

約数和(自身を除く): 26635284

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 139, 177, 193, 236, 278, 354, 386, 417, 556, 579, 708, 772, 834, 1158, 1668, 2316, 8201, 11387, 16402, 22774, 24603, 26827, 32804, 34161, 45548, 49206, 53654, 68322, 80481, 98412, 107308, 136644, 160962, 321924, 1582793, 3165586, 4748379, 6331172, 9496758, 18993516]

約数ペア:

[(1, 18993516), (2, 9496758), (3, 6331172), (4, 4748379), (6, 3165586), (12, 1582793), (59, 321924), (118, 160962), (139, 136644), (177, 107308), (193, 98412), (236, 80481), (278, 68322), (354, 53654), (386, 49206), (417, 45548), (556, 34161), (579, 32804), (708, 26827), (772, 24603), (834, 22774), (1158, 16402), (1668, 11387), (2316, 8201)]