19756808

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6841}}^1$

素因数の和:6885

約数の個数: 24

約数和(自身を含む): 39102030

約数和(自身を除く): 19345222

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6841, 13682, 27364, 54728, 129979, 259958, 519916, 1039832, 2469601, 4939202, 9878404, 19756808]

約数ペア:

[(1, 19756808), (2, 9878404), (4, 4939202), (8, 2469601), (19, 1039832), (38, 519916), (76, 259958), (152, 129979), (361, 54728), (722, 27364), (1444, 13682), (2888, 6841)]