38894140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5387}}^1$

素因数の和:5434

約数の個数: 36

約数和(自身を含む): 86218776

約数和(自身を除く): 47324636

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 5387, 7220, 10774, 21548, 26935, 53870, 102353, 107740, 204706, 409412, 511765, 1023530, 1944707, 2047060, 3889414, 7778828, 9723535, 19447070, 38894140]

約数ペア:

[(1, 38894140), (2, 19447070), (4, 9723535), (5, 7778828), (10, 3889414), (19, 2047060), (20, 1944707), (38, 1023530), (76, 511765), (95, 409412), (190, 204706), (361, 107740), (380, 102353), (722, 53870), (1444, 26935), (1805, 21548), (3610, 10774), (5387, 7220)]