19573420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2711}}^1$

素因数の和:2758

約数の個数: 36

約数和(自身を含む): 43397424

約数和(自身を除く): 23824004

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2711, 3610, 5422, 7220, 10844, 13555, 27110, 51509, 54220, 103018, 206036, 257545, 515090, 978671, 1030180, 1957342, 3914684, 4893355, 9786710, 19573420]

約数ペア:

[(1, 19573420), (2, 9786710), (4, 4893355), (5, 3914684), (10, 1957342), (19, 1030180), (20, 978671), (38, 515090), (76, 257545), (95, 206036), (190, 103018), (361, 54220), (380, 51509), (722, 27110), (1444, 13555), (1805, 10844), (2711, 7220), (3610, 5422)]