19990222

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 16168178

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 929, 1537, 1858, 3074, 6503, 10759, 13006, 21518, 26941, 49237, 53882, 98474, 188587, 344659, 377174, 689318, 1427873, 2855746, 9995111, 19990222]

約数ペア:

[(1, 19990222), (2, 9995111), (7, 2855746), (14, 1427873), (29, 689318), (53, 377174), (58, 344659), (106, 188587), (203, 98474), (371, 53882), (406, 49237), (742, 26941), (929, 21518), (1537, 13006), (1858, 10759), (3074, 6503)]