19471440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81131}}^1$

素因数の和:81147

約数の個数: 40

約数和(自身を含む): 60362208

約数和(自身を除く): 40890768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81131, 162262, 243393, 324524, 405655, 486786, 649048, 811310, 973572, 1216965, 1298096, 1622620, 1947144, 2433930, 3245240, 3894288, 4867860, 6490480, 9735720, 19471440]

約数ペア:

[(1, 19471440), (2, 9735720), (3, 6490480), (4, 4867860), (5, 3894288), (6, 3245240), (8, 2433930), (10, 1947144), (12, 1622620), (15, 1298096), (16, 1216965), (20, 973572), (24, 811310), (30, 649048), (40, 486786), (48, 405655), (60, 324524), (80, 243393), (120, 162262), (240, 81131)]