19203930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 50150880

約数和(自身を除く): 30946950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 379, 563, 758, 1126, 1137, 1689, 1895, 2274, 2815, 3378, 3411, 3790, 5067, 5630, 5685, 6822, 8445, 10134, 11370, 16890, 17055, 25335, 34110, 50670, 213377, 426754, 640131, 1066885, 1280262, 1920393, 2133770, 3200655, 3840786, 6401310, 9601965, 19203930]

約数ペア:

[(1, 19203930), (2, 9601965), (3, 6401310), (5, 3840786), (6, 3200655), (9, 2133770), (10, 1920393), (15, 1280262), (18, 1066885), (30, 640131), (45, 426754), (90, 213377), (379, 50670), (563, 34110), (758, 25335), (1126, 17055), (1137, 16890), (1689, 11370), (1895, 10134), (2274, 8445), (2815, 6822), (3378, 5685), (3411, 5630), (3790, 5067)]