17940821

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 19353600

約数和(自身を除く): 1412779

約数列:

[1, 29, 41, 79, 191, 1189, 2291, 3239, 5539, 7831, 15089, 93931, 227099, 437581, 618649, 17940821]

約数ペア:

[(1, 17940821), (29, 618649), (41, 437581), (79, 227099), (191, 93931), (1189, 15089), (2291, 7831), (3239, 5539)]