18379060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 45795456

約数和(自身を除く): 27416396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 71, 86, 140, 142, 172, 215, 284, 301, 355, 430, 497, 602, 710, 860, 994, 1204, 1420, 1505, 1849, 1988, 2485, 3010, 3053, 3698, 4970, 6020, 6106, 7396, 9245, 9940, 12212, 12943, 15265, 18490, 21371, 25886, 30530, 36980, 42742, 51772, 61060, 64715, 85484, 106855, 129430, 131279, 213710, 258860, 262558, 427420, 525116, 656395, 918953, 1312790, 1837906, 2625580, 3675812, 4594765, 9189530, 18379060]

約数ペア:

[(1, 18379060), (2, 9189530), (4, 4594765), (5, 3675812), (7, 2625580), (10, 1837906), (14, 1312790), (20, 918953), (28, 656395), (35, 525116), (43, 427420), (70, 262558), (71, 258860), (86, 213710), (140, 131279), (142, 129430), (172, 106855), (215, 85484), (284, 64715), (301, 61060), (355, 51772), (430, 42742), (497, 36980), (602, 30530), (710, 25886), (860, 21371), (994, 18490), (1204, 15265), (1420, 12943), (1505, 12212), (1849, 9940), (1988, 9245), (2485, 7396), (3010, 6106), (3053, 6020), (3698, 4970)]