18009133040

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1347989}}^1$

素因数の和:1348169

約数の個数: 40

約数和(自身を含む): 42121991520

約数和(自身を除く): 24112858480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 13360, 1347989, 2695978, 5391956, 6739945, 10783912, 13479890, 21567824, 26959780, 53919560, 107839120, 225114163, 450228326, 900456652, 1125570815, 1800913304, 2251141630, 3601826608, 4502283260, 9004566520, 18009133040]

約数ペア:

[(1, 18009133040), (2, 9004566520), (4, 4502283260), (5, 3601826608), (8, 2251141630), (10, 1800913304), (16, 1125570815), (20, 900456652), (40, 450228326), (80, 225114163), (167, 107839120), (334, 53919560), (668, 26959780), (835, 21567824), (1336, 13479890), (1670, 10783912), (2672, 6739945), (3340, 5391956), (6680, 2695978), (13360, 1347989)]