18214280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9293}}^1$

素因数の和:9318

約数の個数: 48

約数和(自身を含む): 47678220

約数和(自身を除く): 29463940

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, 9293, 18586, 37172, 46465, 65051, 74344, 92930, 130102, 185860, 260204, 325255, 371720, 455357, 520408, 650510, 910714, 1301020, 1821428, 2276785, 2602040, 3642856, 4553570, 9107140, 18214280]

約数ペア:

[(1, 18214280), (2, 9107140), (4, 4553570), (5, 3642856), (7, 2602040), (8, 2276785), (10, 1821428), (14, 1301020), (20, 910714), (28, 650510), (35, 520408), (40, 455357), (49, 371720), (56, 325255), (70, 260204), (98, 185860), (140, 130102), (196, 92930), (245, 74344), (280, 65051), (392, 46465), (490, 37172), (980, 18586), (1960, 9293)]