19684158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3457}}^1$

素因数の和:3548

約数の個数: 32

約数和(自身を含む): 42989856

約数和(自身を除く): 23305698

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3457, 5694, 6914, 10371, 20742, 44941, 89882, 134823, 252361, 269646, 504722, 757083, 1514166, 3280693, 6561386, 9842079, 19684158]

約数ペア:

[(1, 19684158), (2, 9842079), (3, 6561386), (6, 3280693), (13, 1514166), (26, 757083), (39, 504722), (73, 269646), (78, 252361), (146, 134823), (219, 89882), (438, 44941), (949, 20742), (1898, 10371), (2847, 6914), (3457, 5694)]