19513198

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{907}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 30334464

約数和(自身を除く): 10821266

約数列:

[1, 2, 31, 62, 347, 694, 907, 1814, 10757, 21514, 28117, 56234, 314729, 629458, 9756599, 19513198]

約数ペア:

[(1, 19513198), (2, 9756599), (31, 629458), (62, 314729), (347, 56234), (694, 28117), (907, 21514), (1814, 10757)]