18101810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33454512

約数和(自身を除く): 15352702

約数列:

[1, 2, 5, 10, 73, 137, 146, 181, 274, 362, 365, 685, 730, 905, 1370, 1810, 10001, 13213, 20002, 24797, 26426, 49594, 50005, 66065, 100010, 123985, 132130, 247970, 1810181, 3620362, 9050905, 18101810]

約数ペア:

[(1, 18101810), (2, 9050905), (5, 3620362), (10, 1810181), (73, 247970), (137, 132130), (146, 123985), (181, 100010), (274, 66065), (362, 50005), (365, 49594), (685, 26426), (730, 24797), (905, 20002), (1370, 13213), (1810, 10001)]