11844220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14766980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 439, 710, 878, 1349, 1420, 1756, 2195, 2698, 4390, 5396, 6745, 8341, 8780, 13490, 16682, 26980, 31169, 33364, 41705, 62338, 83410, 124676, 155845, 166820, 311690, 592211, 623380, 1184422, 2368844, 2961055, 5922110, 11844220]

約数ペア:

[(1, 11844220), (2, 5922110), (4, 2961055), (5, 2368844), (10, 1184422), (19, 623380), (20, 592211), (38, 311690), (71, 166820), (76, 155845), (95, 124676), (142, 83410), (190, 62338), (284, 41705), (355, 33364), (380, 31169), (439, 26980), (710, 16682), (878, 13490), (1349, 8780), (1420, 8341), (1756, 6745), (2195, 5396), (2698, 4390)]