15241420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2111}}^1$

素因数の和:2158

約数の個数: 36

約数和(自身を含む): 33796224

約数和(自身を除く): 18554804

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2111, 3610, 4222, 7220, 8444, 10555, 21110, 40109, 42220, 80218, 160436, 200545, 401090, 762071, 802180, 1524142, 3048284, 3810355, 7620710, 15241420]

約数ペア:

[(1, 15241420), (2, 7620710), (4, 3810355), (5, 3048284), (10, 1524142), (19, 802180), (20, 762071), (38, 401090), (76, 200545), (95, 160436), (190, 80218), (361, 42220), (380, 40109), (722, 21110), (1444, 10555), (1805, 8444), (2111, 7220), (3610, 4222)]