18720233438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7021843}}^1$

素因数の和:7021919

約数の個数: 16

約数和(自身を含む): 29660269056

約数和(自身を除く): 10940035618

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7021843, 14043686, 217677133, 301939249, 435354266, 603878498, 9360116719, 18720233438]

約数ペア:

[(1, 18720233438), (2, 9360116719), (31, 603878498), (43, 435354266), (62, 301939249), (86, 217677133), (1333, 14043686), (2666, 7021843)]