18801903

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4931}}^1$

素因数の和:5006

約数の個数: 16

約数和(自身を含む): 26514432

約数和(自身を除く): 7712529

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 4931, 14793, 152861, 202171, 458583, 606513, 6267301, 18801903]

約数ペア:

[(1, 18801903), (3, 6267301), (31, 606513), (41, 458583), (93, 202171), (123, 152861), (1271, 14793), (3813, 4931)]