19910448

素因数分解:

$2^4\times 3^7\times {\mathrm{569}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 57957600

約数和(自身を除く): 38047152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 569, 648, 729, 972, 1138, 1296, 1458, 1707, 1944, 2187, 2276, 2916, 3414, 3888, 4374, 4552, 5121, 5832, 6828, 8748, 9104, 10242, 11664, 13656, 15363, 17496, 20484, 27312, 30726, 34992, 40968, 46089, 61452, 81936, 92178, 122904, 138267, 184356, 245808, 276534, 368712, 414801, 553068, 737424, 829602, 1106136, 1244403, 1659204, 2212272, 2488806, 3318408, 4977612, 6636816, 9955224, 19910448]

約数ペア:

[(1, 19910448), (2, 9955224), (3, 6636816), (4, 4977612), (6, 3318408), (8, 2488806), (9, 2212272), (12, 1659204), (16, 1244403), (18, 1106136), (24, 829602), (27, 737424), (36, 553068), (48, 414801), (54, 368712), (72, 276534), (81, 245808), (108, 184356), (144, 138267), (162, 122904), (216, 92178), (243, 81936), (324, 61452), (432, 46089), (486, 40968), (569, 34992), (648, 30726), (729, 27312), (972, 20484), (1138, 17496), (1296, 15363), (1458, 13656), (1707, 11664), (1944, 10242), (2187, 9104), (2276, 8748), (2916, 6828), (3414, 5832), (3888, 5121), (4374, 4552)]