31363870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 59719680

約数和(自身を除く): 28355810

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 431, 766, 862, 1915, 2155, 3830, 4310, 7277, 8189, 14554, 16378, 36385, 40945, 72770, 81890, 165073, 330146, 825365, 1650730, 3136387, 6272774, 15681935, 31363870]

約数ペア:

[(1, 31363870), (2, 15681935), (5, 6272774), (10, 3136387), (19, 1650730), (38, 825365), (95, 330146), (190, 165073), (383, 81890), (431, 72770), (766, 40945), (862, 36385), (1915, 16378), (2155, 14554), (3830, 8189), (4310, 7277)]