18222140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 22635460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 607, 790, 1214, 1501, 1580, 2428, 3002, 3035, 6004, 6070, 7505, 11533, 12140, 15010, 23066, 30020, 46132, 47953, 57665, 95906, 115330, 191812, 230660, 239765, 479530, 911107, 959060, 1822214, 3644428, 4555535, 9111070, 18222140]

約数ペア:

[(1, 18222140), (2, 9111070), (4, 4555535), (5, 3644428), (10, 1822214), (19, 959060), (20, 911107), (38, 479530), (76, 239765), (79, 230660), (95, 191812), (158, 115330), (190, 95906), (316, 57665), (380, 47953), (395, 46132), (607, 30020), (790, 23066), (1214, 15010), (1501, 12140), (1580, 11533), (2428, 7505), (3002, 6070), (3035, 6004)]