19436280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161969}}^1$

素因数の和:161983

約数の個数: 32

約数和(自身を含む): 58309200

約数和(自身を除く): 38872920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161969, 323938, 485907, 647876, 809845, 971814, 1295752, 1619690, 1943628, 2429535, 3239380, 3887256, 4859070, 6478760, 9718140, 19436280]

約数ペア:

[(1, 19436280), (2, 9718140), (3, 6478760), (4, 4859070), (5, 3887256), (6, 3239380), (8, 2429535), (10, 1943628), (12, 1619690), (15, 1295752), (20, 971814), (24, 809845), (30, 647876), (40, 485907), (60, 323938), (120, 161969)]