16213273420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1376339}}^1$

素因数の和:1376398

約数の個数: 48

約数和(自身を含む): 36996019200

約数和(自身を除く): 20782745780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 1376339, 2752678, 5505356, 6881695, 13763390, 26150441, 27526780, 42666509, 52300882, 85333018, 104601764, 130752205, 170666036, 213332545, 261504410, 426665090, 523008820, 810663671, 853330180, 1621327342, 3242654684, 4053318355, 8106636710, 16213273420]

約数ペア:

[(1, 16213273420), (2, 8106636710), (4, 4053318355), (5, 3242654684), (10, 1621327342), (19, 853330180), (20, 810663671), (31, 523008820), (38, 426665090), (62, 261504410), (76, 213332545), (95, 170666036), (124, 130752205), (155, 104601764), (190, 85333018), (310, 52300882), (380, 42666509), (589, 27526780), (620, 26150441), (1178, 13763390), (2356, 6881695), (2945, 5505356), (5890, 2752678), (11780, 1376339)]