19903156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54679}}^1$

素因数の和:54703

約数の個数: 24

約数和(自身を含む): 42869120

約数和(自身を除く): 22965964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54679, 109358, 218716, 382753, 710827, 765506, 1421654, 1531012, 2843308, 4975789, 9951578, 19903156]

約数ペア:

[(1, 19903156), (2, 9951578), (4, 4975789), (7, 2843308), (13, 1531012), (14, 1421654), (26, 765506), (28, 710827), (52, 382753), (91, 218716), (182, 109358), (364, 54679)]