18626720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16631}}^1$

素因数の和:16653

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 31668448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16631, 33262, 66524, 83155, 116417, 133048, 166310, 232834, 266096, 332620, 465668, 532192, 582085, 665240, 931336, 1164170, 1330480, 1862672, 2328340, 2660960, 3725344, 4656680, 9313360, 18626720]

約数ペア:

[(1, 18626720), (2, 9313360), (4, 4656680), (5, 3725344), (7, 2660960), (8, 2328340), (10, 1862672), (14, 1330480), (16, 1164170), (20, 931336), (28, 665240), (32, 582085), (35, 532192), (40, 465668), (56, 332620), (70, 266096), (80, 232834), (112, 166310), (140, 133048), (160, 116417), (224, 83155), (280, 66524), (560, 33262), (1120, 16631)]