15546940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 19168580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 251, 326, 380, 502, 652, 815, 1004, 1255, 1630, 2510, 3097, 3260, 4769, 5020, 6194, 9538, 12388, 15485, 19076, 23845, 30970, 40913, 47690, 61940, 81826, 95380, 163652, 204565, 409130, 777347, 818260, 1554694, 3109388, 3886735, 7773470, 15546940]

約数ペア:

[(1, 15546940), (2, 7773470), (4, 3886735), (5, 3109388), (10, 1554694), (19, 818260), (20, 777347), (38, 409130), (76, 204565), (95, 163652), (163, 95380), (190, 81826), (251, 61940), (326, 47690), (380, 40913), (502, 30970), (652, 23845), (815, 19076), (1004, 15485), (1255, 12388), (1630, 9538), (2510, 6194), (3097, 5020), (3260, 4769)]