18623955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 34481664

約数和(自身を除く): 15857709

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2137, 2905, 6411, 8715, 10685, 14959, 32055, 44877, 74795, 177371, 224385, 532113, 886855, 1241597, 2660565, 3724791, 6207985, 18623955]

約数ペア:

[(1, 18623955), (3, 6207985), (5, 3724791), (7, 2660565), (15, 1241597), (21, 886855), (35, 532113), (83, 224385), (105, 177371), (249, 74795), (415, 44877), (581, 32055), (1245, 14959), (1743, 10685), (2137, 8715), (2905, 6411)]