2019011990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8778313}}^1$

素因数の和:8778343

約数の個数: 16

約数和(自身を含む): 3792231648

約数和(自身を除く): 1773219658

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 8778313, 17556626, 43891565, 87783130, 201901199, 403802398, 1009505995, 2019011990]

約数ペア:

[(1, 2019011990), (2, 1009505995), (5, 403802398), (10, 201901199), (23, 87783130), (46, 43891565), (115, 17556626), (230, 8778313)]