23919290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 47187360

約数和(自身を除く): 23268070

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 131, 155, 190, 262, 310, 589, 655, 961, 1178, 1310, 1922, 2489, 2945, 4061, 4805, 4978, 5890, 8122, 9610, 12445, 18259, 20305, 24890, 36518, 40610, 77159, 91295, 125891, 154318, 182590, 251782, 385795, 629455, 771590, 1258910, 2391929, 4783858, 11959645, 23919290]

約数ペア:

[(1, 23919290), (2, 11959645), (5, 4783858), (10, 2391929), (19, 1258910), (31, 771590), (38, 629455), (62, 385795), (95, 251782), (131, 182590), (155, 154318), (190, 125891), (262, 91295), (310, 77159), (589, 40610), (655, 36518), (961, 24890), (1178, 20305), (1310, 18259), (1922, 12445), (2489, 9610), (2945, 8122), (4061, 5890), (4805, 4978)]