19129668

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 46185216

約数和(自身を除く): 27055548

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 131, 172, 258, 262, 283, 393, 516, 524, 566, 786, 849, 1132, 1572, 1698, 3396, 5633, 11266, 12169, 16899, 22532, 24338, 33798, 36507, 37073, 48676, 67596, 73014, 74146, 111219, 146028, 148292, 222438, 444876, 1594139, 3188278, 4782417, 6376556, 9564834, 19129668]

約数ペア:

[(1, 19129668), (2, 9564834), (3, 6376556), (4, 4782417), (6, 3188278), (12, 1594139), (43, 444876), (86, 222438), (129, 148292), (131, 146028), (172, 111219), (258, 74146), (262, 73014), (283, 67596), (393, 48676), (516, 37073), (524, 36507), (566, 33798), (786, 24338), (849, 22532), (1132, 16899), (1572, 12169), (1698, 11266), (3396, 5633)]