18127804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{125591}}^1$

素因数の和:126638

約数の個数: 48

約数和(自身を含む): 43549277184

約数和(自身を除く): 25421472244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1031, 2062, 4124, 5155, 7217, 10310, 14434, 20620, 28868, 36085, 72170, 125591, 144340, 251182, 502364, 627955, 879137, 1255910, 1758274, 2511820, 3516548, 4395685, 8791370, 17582740, 129484321, 258968642, 517937284, 647421605, 906390247, 1294843210, 1812780494, 2589686420, 3625560988, 4531951235, 9063902470, 18127804940]

約数ペア:

[(1, 18127804940), (2, 9063902470), (4, 4531951235), (5, 3625560988), (7, 2589686420), (10, 1812780494), (14, 1294843210), (20, 906390247), (28, 647421605), (35, 517937284), (70, 258968642), (140, 129484321), (1031, 17582740), (2062, 8791370), (4124, 4395685), (5155, 3516548), (7217, 2511820), (10310, 1758274), (14434, 1255910), (20620, 879137), (28868, 627955), (36085, 502364), (72170, 251182), (125591, 144340)]