18456220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 43212960

約数和(自身を除く): 24756740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2857, 3230, 5714, 6460, 11428, 14285, 28570, 48569, 54283, 57140, 97138, 108566, 194276, 217132, 242845, 271415, 485690, 542830, 922811, 971380, 1085660, 1845622, 3691244, 4614055, 9228110, 18456220]

約数ペア:

[(1, 18456220), (2, 9228110), (4, 4614055), (5, 3691244), (10, 1845622), (17, 1085660), (19, 971380), (20, 922811), (34, 542830), (38, 485690), (68, 271415), (76, 242845), (85, 217132), (95, 194276), (170, 108566), (190, 97138), (323, 57140), (340, 54283), (380, 48569), (646, 28570), (1292, 14285), (1615, 11428), (2857, 6460), (3230, 5714)]