19474215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 33232896

約数和(自身を除く): 13758681

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1201, 3243, 3603, 5405, 6005, 16215, 18015, 27623, 56447, 82869, 138115, 169341, 282235, 414345, 846705, 1298281, 3894843, 6491405, 19474215]

約数ペア:

[(1, 19474215), (3, 6491405), (5, 3894843), (15, 1298281), (23, 846705), (47, 414345), (69, 282235), (115, 169341), (141, 138115), (235, 82869), (345, 56447), (705, 27623), (1081, 18015), (1201, 16215), (3243, 6005), (3603, 5405)]