19728272

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3533}}^1$

素因数の和:3890

約数の個数: 20

約数和(自身を含む): 38343900

約数和(自身を除く): 18615628

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3533, 5584, 7066, 14132, 28264, 56528, 1233017, 2466034, 4932068, 9864136, 19728272]

約数ペア:

[(1, 19728272), (2, 9864136), (4, 4932068), (8, 2466034), (16, 1233017), (349, 56528), (698, 28264), (1396, 14132), (2792, 7066), (3533, 5584)]