19377075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 33926400

約数和(自身を除く): 14549325

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 145, 151, 177, 295, 435, 453, 725, 755, 885, 1475, 1711, 2175, 2265, 3775, 4379, 4425, 5133, 8555, 8909, 11325, 13137, 21895, 25665, 26727, 42775, 44545, 65685, 109475, 128325, 133635, 222725, 258361, 328425, 668175, 775083, 1291805, 3875415, 6459025, 19377075]

約数ペア:

[(1, 19377075), (3, 6459025), (5, 3875415), (15, 1291805), (25, 775083), (29, 668175), (59, 328425), (75, 258361), (87, 222725), (145, 133635), (151, 128325), (177, 109475), (295, 65685), (435, 44545), (453, 42775), (725, 26727), (755, 25665), (885, 21895), (1475, 13137), (1711, 11325), (2175, 8909), (2265, 8555), (3775, 5133), (4379, 4425)]