19974290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{659}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 21273070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 659, 866, 1318, 2165, 3031, 3295, 4330, 4613, 6062, 6590, 9226, 15155, 23065, 30310, 46130, 285347, 570694, 1426735, 1997429, 2853470, 3994858, 9987145, 19974290]

約数ペア:

[(1, 19974290), (2, 9987145), (5, 3994858), (7, 2853470), (10, 1997429), (14, 1426735), (35, 570694), (70, 285347), (433, 46130), (659, 30310), (866, 23065), (1318, 15155), (2165, 9226), (3031, 6590), (3295, 6062), (4330, 4613)]