19814320

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1063}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 26495216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1063, 1165, 1864, 2126, 2330, 3728, 4252, 4660, 5315, 8504, 9320, 10630, 17008, 18640, 21260, 42520, 85040, 247679, 495358, 990716, 1238395, 1981432, 2476790, 3962864, 4953580, 9907160, 19814320]

約数ペア:

[(1, 19814320), (2, 9907160), (4, 4953580), (5, 3962864), (8, 2476790), (10, 1981432), (16, 1238395), (20, 990716), (40, 495358), (80, 247679), (233, 85040), (466, 42520), (932, 21260), (1063, 18640), (1165, 17008), (1864, 10630), (2126, 9320), (2330, 8504), (3728, 5315), (4252, 4660)]