19732460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 25778740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 349, 514, 698, 1028, 1285, 1396, 1745, 2570, 2827, 3490, 3839, 5140, 5654, 6980, 7678, 11308, 14135, 15356, 19195, 28270, 38390, 56540, 76780, 89693, 179386, 358772, 448465, 896930, 986623, 1793860, 1973246, 3946492, 4933115, 9866230, 19732460]

約数ペア:

[(1, 19732460), (2, 9866230), (4, 4933115), (5, 3946492), (10, 1973246), (11, 1793860), (20, 986623), (22, 896930), (44, 448465), (55, 358772), (110, 179386), (220, 89693), (257, 76780), (349, 56540), (514, 38390), (698, 28270), (1028, 19195), (1285, 15356), (1396, 14135), (1745, 11308), (2570, 7678), (2827, 6980), (3490, 5654), (3839, 5140)]