13003220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1801}}^1$

素因数の和:1848

約数の個数: 36

約数和(自身を含む): 28835604

約数和(自身を除く): 15832384

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1801, 1805, 3602, 3610, 7204, 7220, 9005, 18010, 34219, 36020, 68438, 136876, 171095, 342190, 650161, 684380, 1300322, 2600644, 3250805, 6501610, 13003220]

約数ペア:

[(1, 13003220), (2, 6501610), (4, 3250805), (5, 2600644), (10, 1300322), (19, 684380), (20, 650161), (38, 342190), (76, 171095), (95, 136876), (190, 68438), (361, 36020), (380, 34219), (722, 18010), (1444, 9005), (1801, 7220), (1805, 7204), (3602, 3610)]