19121040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26557}}^1$

素因数の和:26576

約数の個数: 60

約数和(自身を含む): 64217244

約数和(自身を除く): 45096204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26557, 53114, 79671, 106228, 132785, 159342, 212456, 239013, 265570, 318684, 398355, 424912, 478026, 531140, 637368, 796710, 956052, 1062280, 1195065, 1274736, 1593420, 1912104, 2124560, 2390130, 3186840, 3824208, 4780260, 6373680, 9560520, 19121040]

約数ペア:

[(1, 19121040), (2, 9560520), (3, 6373680), (4, 4780260), (5, 3824208), (6, 3186840), (8, 2390130), (9, 2124560), (10, 1912104), (12, 1593420), (15, 1274736), (16, 1195065), (18, 1062280), (20, 956052), (24, 796710), (30, 637368), (36, 531140), (40, 478026), (45, 424912), (48, 398355), (60, 318684), (72, 265570), (80, 239013), (90, 212456), (120, 159342), (144, 132785), (180, 106228), (240, 79671), (360, 53114), (720, 26557)]