19899630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1741}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 52176384

約数和(自身を除く): 32276754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1741, 1905, 2286, 3482, 3810, 5223, 5715, 8705, 10446, 11430, 15669, 17410, 26115, 31338, 52230, 78345, 156690, 221107, 442214, 663321, 1105535, 1326642, 1989963, 2211070, 3316605, 3979926, 6633210, 9949815, 19899630]

約数ペア:

[(1, 19899630), (2, 9949815), (3, 6633210), (5, 3979926), (6, 3316605), (9, 2211070), (10, 1989963), (15, 1326642), (18, 1105535), (30, 663321), (45, 442214), (90, 221107), (127, 156690), (254, 78345), (381, 52230), (635, 31338), (762, 26115), (1143, 17410), (1270, 15669), (1741, 11430), (1905, 10446), (2286, 8705), (3482, 5715), (3810, 5223)]