19674936

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 56117880

約数和(自身を除く): 36442944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 109, 138, 184, 207, 218, 276, 327, 414, 436, 552, 654, 828, 872, 981, 1308, 1656, 1962, 2507, 2616, 3924, 5014, 7521, 7848, 10028, 11881, 15042, 20056, 22563, 23762, 30084, 35643, 45126, 47524, 60168, 71286, 90252, 95048, 106929, 142572, 180504, 213858, 273263, 285144, 427716, 546526, 819789, 855432, 1093052, 1639578, 2186104, 2459367, 3279156, 4918734, 6558312, 9837468, 19674936]

約数ペア:

[(1, 19674936), (2, 9837468), (3, 6558312), (4, 4918734), (6, 3279156), (8, 2459367), (9, 2186104), (12, 1639578), (18, 1093052), (23, 855432), (24, 819789), (36, 546526), (46, 427716), (69, 285144), (72, 273263), (92, 213858), (109, 180504), (138, 142572), (184, 106929), (207, 95048), (218, 90252), (276, 71286), (327, 60168), (414, 47524), (436, 45126), (552, 35643), (654, 30084), (828, 23762), (872, 22563), (981, 20056), (1308, 15042), (1656, 11881), (1962, 10028), (2507, 7848), (2616, 7521), (3924, 5014)]