19076680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9733}}^1$

素因数の和:9758

約数の個数: 48

約数和(自身を含む): 49935420

約数和(自身を除く): 30858740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9733, 19466, 38932, 48665, 68131, 77864, 97330, 136262, 194660, 272524, 340655, 389320, 476917, 545048, 681310, 953834, 1362620, 1907668, 2384585, 2725240, 3815336, 4769170, 9538340, 19076680]

約数ペア:

[(1, 19076680), (2, 9538340), (4, 4769170), (5, 3815336), (7, 2725240), (8, 2384585), (10, 1907668), (14, 1362620), (20, 953834), (28, 681310), (35, 545048), (40, 476917), (49, 389320), (56, 340655), (70, 272524), (98, 194660), (140, 136262), (196, 97330), (245, 77864), (280, 68131), (392, 48665), (490, 38932), (980, 19466), (1960, 9733)]