19938216

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{13619}}^1$

素因数の和:13689

約数の個数: 32

約数和(自身を含む): 50666400

約数和(自身を除く): 30728184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 13619, 27238, 40857, 54476, 81714, 108952, 163428, 326856, 830759, 1661518, 2492277, 3323036, 4984554, 6646072, 9969108, 19938216]

約数ペア:

[(1, 19938216), (2, 9969108), (3, 6646072), (4, 4984554), (6, 3323036), (8, 2492277), (12, 1661518), (24, 830759), (61, 326856), (122, 163428), (183, 108952), (244, 81714), (366, 54476), (488, 40857), (732, 27238), (1464, 13619)]