13436420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1861}}^1$

素因数の和:1908

約数の個数: 36

約数和(自身を含む): 29795724

約数和(自身を除く): 16359304

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 1861, 3610, 3722, 7220, 7444, 9305, 18610, 35359, 37220, 70718, 141436, 176795, 353590, 671821, 707180, 1343642, 2687284, 3359105, 6718210, 13436420]

約数ペア:

[(1, 13436420), (2, 6718210), (4, 3359105), (5, 2687284), (10, 1343642), (19, 707180), (20, 671821), (38, 353590), (76, 176795), (95, 141436), (190, 70718), (361, 37220), (380, 35359), (722, 18610), (1444, 9305), (1805, 7444), (1861, 7220), (3610, 3722)]