19794145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 28827648

約数和(自身を除く): 9033503

約数列:

[1, 5, 7, 23, 35, 67, 115, 161, 335, 367, 469, 805, 1541, 1835, 2345, 2569, 7705, 8441, 10787, 12845, 24589, 42205, 53935, 59087, 122945, 172123, 295435, 565547, 860615, 2827735, 3958829, 19794145]

約数ペア:

[(1, 19794145), (5, 3958829), (7, 2827735), (23, 860615), (35, 565547), (67, 295435), (115, 172123), (161, 122945), (335, 59087), (367, 53935), (469, 42205), (805, 24589), (1541, 12845), (1835, 10787), (2345, 8441), (2569, 7705)]