15171880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19963}}^1$

素因数の和:19993

約数の個数: 32

約数和(自身を含む): 35935200

約数和(自身を除く): 20763320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 19963, 39926, 79852, 99815, 159704, 199630, 379297, 399260, 758594, 798520, 1517188, 1896485, 3034376, 3792970, 7585940, 15171880]

約数ペア:

[(1, 15171880), (2, 7585940), (4, 3792970), (5, 3034376), (8, 1896485), (10, 1517188), (19, 798520), (20, 758594), (38, 399260), (40, 379297), (76, 199630), (95, 159704), (152, 99815), (190, 79852), (380, 39926), (760, 19963)]