19686812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7001}}^1$

素因数の和:7061

約数の個数: 24

約数和(自身を含む): 37250640

約数和(自身を除く): 17563828

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7001, 14002, 28004, 133019, 259037, 266038, 518074, 532076, 1036148, 4921703, 9843406, 19686812]

約数ペア:

[(1, 19686812), (2, 9843406), (4, 4921703), (19, 1036148), (37, 532076), (38, 518074), (74, 266038), (76, 259037), (148, 133019), (703, 28004), (1406, 14002), (2812, 7001)]