15934540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2207}}^1$

素因数の和:2254

約数の個数: 36

約数和(自身を含む): 35332416

約数和(自身を除く): 19397876

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2207, 3610, 4414, 7220, 8828, 11035, 22070, 41933, 44140, 83866, 167732, 209665, 419330, 796727, 838660, 1593454, 3186908, 3983635, 7967270, 15934540]

約数ペア:

[(1, 15934540), (2, 7967270), (4, 3983635), (5, 3186908), (10, 1593454), (19, 838660), (20, 796727), (38, 419330), (76, 209665), (95, 167732), (190, 83866), (361, 44140), (380, 41933), (722, 22070), (1444, 11035), (1805, 8828), (2207, 7220), (3610, 4414)]