11887730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 23454360

約数和(自身を除く): 11566630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 89, 95, 178, 185, 190, 361, 370, 445, 703, 722, 890, 1406, 1691, 1805, 3293, 3382, 3515, 3610, 6586, 7030, 8455, 13357, 16465, 16910, 26714, 32129, 32930, 62567, 64258, 66785, 125134, 133570, 160645, 312835, 321290, 625670, 1188773, 2377546, 5943865, 11887730]

約数ペア:

[(1, 11887730), (2, 5943865), (5, 2377546), (10, 1188773), (19, 625670), (37, 321290), (38, 312835), (74, 160645), (89, 133570), (95, 125134), (178, 66785), (185, 64258), (190, 62567), (361, 32930), (370, 32129), (445, 26714), (703, 16910), (722, 16465), (890, 13357), (1406, 8455), (1691, 7030), (1805, 6586), (3293, 3610), (3382, 3515)]