19380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:48

約数の個数: 48

約数和(自身を含む): 60480

約数和(自身を除く): 41100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380]

約数ペア:

[(1, 19380), (2, 9690), (3, 6460), (4, 4845), (5, 3876), (6, 3230), (10, 1938), (12, 1615), (15, 1292), (17, 1140), (19, 1020), (20, 969), (30, 646), (34, 570), (38, 510), (51, 380), (57, 340), (60, 323), (68, 285), (76, 255), (85, 228), (95, 204), (102, 190), (114, 170)]