19740515

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 24507360

約数和(自身を除く): 4766845

約数列:

[1, 5, 59, 61, 295, 305, 1097, 3599, 5485, 17995, 64723, 66917, 323615, 334585, 3948103, 19740515]

約数ペア:

[(1, 19740515), (5, 3948103), (59, 334585), (61, 323615), (295, 66917), (305, 64723), (1097, 17995), (3599, 5485)]