81019914

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3187}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 171386880

約数和(自身を除く): 90366966

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 1338, 3187, 4237, 6374, 8474, 9561, 12711, 19122, 25422, 60553, 121106, 181659, 363318, 710701, 1421402, 2132103, 4264206, 13503319, 27006638, 40509957, 81019914]

約数ペア:

[(1, 81019914), (2, 40509957), (3, 27006638), (6, 13503319), (19, 4264206), (38, 2132103), (57, 1421402), (114, 710701), (223, 363318), (446, 181659), (669, 121106), (1338, 60553), (3187, 25422), (4237, 19122), (6374, 12711), (8474, 9561)]