19617050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 38435040

約数和(自身を除く): 18817990

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 83, 145, 163, 166, 290, 326, 415, 725, 815, 830, 1450, 1630, 2075, 2407, 4075, 4150, 4727, 4814, 8150, 9454, 12035, 13529, 23635, 24070, 27058, 47270, 60175, 67645, 118175, 120350, 135290, 236350, 338225, 392341, 676450, 784682, 1961705, 3923410, 9808525, 19617050]

約数ペア:

[(1, 19617050), (2, 9808525), (5, 3923410), (10, 1961705), (25, 784682), (29, 676450), (50, 392341), (58, 338225), (83, 236350), (145, 135290), (163, 120350), (166, 118175), (290, 67645), (326, 60175), (415, 47270), (725, 27058), (815, 24070), (830, 23635), (1450, 13529), (1630, 12035), (2075, 9454), (2407, 8150), (4075, 4814), (4150, 4727)]