19970944

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27030656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 719, 868, 896, 992, 1438, 1736, 1984, 2876, 3472, 3968, 5033, 5752, 6944, 10066, 11504, 13888, 20132, 22289, 23008, 27776, 40264, 44578, 46016, 80528, 89156, 92032, 156023, 161056, 178312, 312046, 322112, 356624, 624092, 644224, 713248, 1248184, 1426496, 2496368, 2852992, 4992736, 9985472, 19970944]

約数ペア:

[(1, 19970944), (2, 9985472), (4, 4992736), (7, 2852992), (8, 2496368), (14, 1426496), (16, 1248184), (28, 713248), (31, 644224), (32, 624092), (56, 356624), (62, 322112), (64, 312046), (112, 178312), (124, 161056), (128, 156023), (217, 92032), (224, 89156), (248, 80528), (434, 46016), (448, 44578), (496, 40264), (719, 27776), (868, 23008), (896, 22289), (992, 20132), (1438, 13888), (1736, 11504), (1984, 10066), (2876, 6944), (3472, 5752), (3968, 5033)]