19876660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2753}}^1$

素因数の和:2800

約数の個数: 36

約数和(自身を含む): 44069508

約数和(自身を除く): 24192848

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2753, 3610, 5506, 7220, 11012, 13765, 27530, 52307, 55060, 104614, 209228, 261535, 523070, 993833, 1046140, 1987666, 3975332, 4969165, 9938330, 19876660]

約数ペア:

[(1, 19876660), (2, 9938330), (4, 4969165), (5, 3975332), (10, 1987666), (19, 1046140), (20, 993833), (38, 523070), (76, 261535), (95, 209228), (190, 104614), (361, 55060), (380, 52307), (722, 27530), (1444, 13765), (1805, 11012), (2753, 7220), (3610, 5506)]