19198850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 39613536

約数和(自身を除く): 20414686

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 134, 275, 335, 521, 550, 670, 737, 1042, 1474, 1675, 2605, 3350, 3685, 5210, 5731, 7370, 11462, 13025, 18425, 26050, 28655, 34907, 36850, 57310, 69814, 143275, 174535, 286550, 349070, 383977, 767954, 872675, 1745350, 1919885, 3839770, 9599425, 19198850]

約数ペア:

[(1, 19198850), (2, 9599425), (5, 3839770), (10, 1919885), (11, 1745350), (22, 872675), (25, 767954), (50, 383977), (55, 349070), (67, 286550), (110, 174535), (134, 143275), (275, 69814), (335, 57310), (521, 36850), (550, 34907), (670, 28655), (737, 26050), (1042, 18425), (1474, 13025), (1675, 11462), (2605, 7370), (3350, 5731), (3685, 5210)]