19816398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157273}}^1$

素因数の和:157288

約数の個数: 24

約数和(自身を含む): 49069488

約数和(自身を除く): 29253090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157273, 314546, 471819, 943638, 1100911, 1415457, 2201822, 2830914, 3302733, 6605466, 9908199, 19816398]

約数ペア:

[(1, 19816398), (2, 9908199), (3, 6605466), (6, 3302733), (7, 2830914), (9, 2201822), (14, 1415457), (18, 1100911), (21, 943638), (42, 471819), (63, 314546), (126, 157273)]