17977610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 21667030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 1931, 3862, 4655, 9310, 9655, 13517, 19310, 27034, 36689, 67585, 73378, 94619, 135170, 183445, 189238, 256823, 366890, 473095, 513646, 946190, 1284115, 1797761, 2568230, 3595522, 8988805, 17977610]

約数ペア:

[(1, 17977610), (2, 8988805), (5, 3595522), (7, 2568230), (10, 1797761), (14, 1284115), (19, 946190), (35, 513646), (38, 473095), (49, 366890), (70, 256823), (95, 189238), (98, 183445), (133, 135170), (190, 94619), (245, 73378), (266, 67585), (490, 36689), (665, 27034), (931, 19310), (1330, 13517), (1862, 9655), (1931, 9310), (3862, 4655)]