19921590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17027}}^1$

素因数の和:17053

約数の個数: 48

約数和(自身を含む): 55783728

約数和(自身を除く): 35862138

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17027, 34054, 51081, 85135, 102162, 153243, 170270, 221351, 255405, 306486, 442702, 510810, 664053, 766215, 1106755, 1328106, 1532430, 1992159, 2213510, 3320265, 3984318, 6640530, 9960795, 19921590]

約数ペア:

[(1, 19921590), (2, 9960795), (3, 6640530), (5, 3984318), (6, 3320265), (9, 2213510), (10, 1992159), (13, 1532430), (15, 1328106), (18, 1106755), (26, 766215), (30, 664053), (39, 510810), (45, 442702), (65, 306486), (78, 255405), (90, 221351), (117, 170270), (130, 153243), (195, 102162), (234, 85135), (390, 51081), (585, 34054), (1170, 17027)]