19233221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 23291904

約数和(自身を除く): 4058683

約数列:

[1, 7, 23, 67, 161, 469, 1541, 1783, 10787, 12481, 41009, 119461, 287063, 836227, 2747603, 19233221]

約数ペア:

[(1, 19233221), (7, 2747603), (23, 836227), (67, 287063), (161, 119461), (469, 41009), (1541, 12481), (1783, 10787)]