20149519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 23900240

約数和(自身を除く): 3750721

約数列:

[1, 13, 19, 29, 97, 247, 377, 551, 841, 1261, 1843, 2813, 7163, 10933, 15979, 23959, 36569, 53447, 81577, 207727, 694811, 1060501, 1549963, 20149519]

約数ペア:

[(1, 20149519), (13, 1549963), (19, 1060501), (29, 694811), (97, 207727), (247, 81577), (377, 53447), (551, 36569), (841, 23959), (1261, 15979), (1843, 10933), (2813, 7163)]