15055220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39619}}^1$

素因数の和:39647

約数の個数: 24

約数和(自身を含む): 33280800

約数和(自身を除く): 18225580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 39619, 79238, 158476, 198095, 396190, 752761, 792380, 1505522, 3011044, 3763805, 7527610, 15055220]

約数ペア:

[(1, 15055220), (2, 7527610), (4, 3763805), (5, 3011044), (10, 1505522), (19, 792380), (20, 752761), (38, 396190), (76, 198095), (95, 158476), (190, 79238), (380, 39619)]