19724018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{823}}^1$

素因数の和:1369

約数の個数: 16

約数和(自身を含む): 30969216

約数和(自身を除く): 11245198

約数列:

[1, 2, 23, 46, 521, 823, 1042, 1646, 11983, 18929, 23966, 37858, 428783, 857566, 9862009, 19724018]

約数ペア:

[(1, 19724018), (2, 9862009), (23, 857566), (46, 428783), (521, 37858), (823, 23966), (1042, 18929), (1646, 11983)]