19804590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16927}}^1$

素因数の和:16953

約数の個数: 48

約数和(自身を含む): 55456128

約数和(自身を除く): 35651538

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, 16927, 33854, 50781, 84635, 101562, 152343, 169270, 220051, 253905, 304686, 440102, 507810, 660153, 761715, 1100255, 1320306, 1523430, 1980459, 2200510, 3300765, 3960918, 6601530, 9902295, 19804590]

約数ペア:

[(1, 19804590), (2, 9902295), (3, 6601530), (5, 3960918), (6, 3300765), (9, 2200510), (10, 1980459), (13, 1523430), (15, 1320306), (18, 1100255), (26, 761715), (30, 660153), (39, 507810), (45, 440102), (65, 304686), (78, 253905), (90, 220051), (117, 169270), (130, 152343), (195, 101562), (234, 84635), (390, 50781), (585, 33854), (1170, 16927)]