1990332004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{331501}}^1$

素因数の和:331603

約数の個数: 24

約数和(自身を含む): 3712822400

約数和(自身を除く): 1722490396

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 6004, 331501, 663002, 1326004, 6298519, 12597038, 25194076, 26188579, 52377158, 104754316, 497583001, 995166002, 1990332004]

約数ペア:

[(1, 1990332004), (2, 995166002), (4, 497583001), (19, 104754316), (38, 52377158), (76, 26188579), (79, 25194076), (158, 12597038), (316, 6298519), (1501, 1326004), (3002, 663002), (6004, 331501)]