17945290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 37884672

約数和(自身を除く): 19939382

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 173, 205, 230, 253, 346, 410, 451, 506, 865, 902, 943, 1265, 1730, 1886, 1903, 2255, 2530, 3806, 3979, 4510, 4715, 7093, 7958, 9430, 9515, 10373, 14186, 19030, 19895, 20746, 35465, 39790, 43769, 51865, 70930, 78023, 87538, 103730, 156046, 163139, 218845, 326278, 390115, 437690, 780230, 815695, 1631390, 1794529, 3589058, 8972645, 17945290]

約数ペア:

[(1, 17945290), (2, 8972645), (5, 3589058), (10, 1794529), (11, 1631390), (22, 815695), (23, 780230), (41, 437690), (46, 390115), (55, 326278), (82, 218845), (110, 163139), (115, 156046), (173, 103730), (205, 87538), (230, 78023), (253, 70930), (346, 51865), (410, 43769), (451, 39790), (506, 35465), (865, 20746), (902, 19895), (943, 19030), (1265, 14186), (1730, 10373), (1886, 9515), (1903, 9430), (2255, 7958), (2530, 7093), (3806, 4715), (3979, 4510)]