18874323560

素因数分解:

$2^3\times 5^1\times {\mathrm{15451}}^1\times {\mathrm{30539}}^1$

素因数の和:46001

約数の個数: 32

約数和(自身を含む): 42471367200

約数和(自身を除く): 23597043640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15451, 30539, 30902, 61078, 61804, 77255, 122156, 123608, 152695, 154510, 244312, 305390, 309020, 610780, 618040, 1221560, 471858089, 943716178, 1887432356, 2359290445, 3774864712, 4718580890, 9437161780, 18874323560]

約数ペア:

[(1, 18874323560), (2, 9437161780), (4, 4718580890), (5, 3774864712), (8, 2359290445), (10, 1887432356), (20, 943716178), (40, 471858089), (15451, 1221560), (30539, 618040), (30902, 610780), (61078, 309020), (61804, 305390), (77255, 244312), (122156, 154510), (123608, 152695)]