201718516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20261}}^1$

素因数の和:20415

約数の個数: 24

約数和(自身を含む): 374441760

約数和(自身を除く): 172723244

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 20261, 40522, 81044, 384959, 769918, 1539836, 2654191, 5308382, 10616764, 50429629, 100859258, 201718516]

約数ペア:

[(1, 201718516), (2, 100859258), (4, 50429629), (19, 10616764), (38, 5308382), (76, 2654191), (131, 1539836), (262, 769918), (524, 384959), (2489, 81044), (4978, 40522), (9956, 20261)]