17947926

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 42091200

約数和(自身を除く): 24143274

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 73, 87, 146, 157, 174, 219, 261, 314, 438, 471, 522, 657, 783, 942, 1314, 1413, 1566, 1971, 2117, 2826, 3942, 4234, 4239, 4553, 6351, 8478, 9106, 11461, 12702, 13659, 19053, 22922, 27318, 34383, 38106, 40977, 57159, 68766, 81954, 103149, 114318, 122931, 206298, 245862, 309447, 332369, 618894, 664738, 997107, 1994214, 2991321, 5982642, 8973963, 17947926]

約数ペア:

[(1, 17947926), (2, 8973963), (3, 5982642), (6, 2991321), (9, 1994214), (18, 997107), (27, 664738), (29, 618894), (54, 332369), (58, 309447), (73, 245862), (87, 206298), (146, 122931), (157, 114318), (174, 103149), (219, 81954), (261, 68766), (314, 57159), (438, 40977), (471, 38106), (522, 34383), (657, 27318), (783, 22922), (942, 19053), (1314, 13659), (1413, 12702), (1566, 11461), (1971, 9106), (2117, 8478), (2826, 6351), (3942, 4553), (4234, 4239)]