18548180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 47109888

約数和(自身を除く): 28561708

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 367, 380, 532, 665, 722, 734, 1330, 1444, 1468, 1805, 1835, 2527, 2569, 2660, 3610, 3670, 5054, 5138, 6973, 7220, 7340, 10108, 10276, 12635, 12845, 13946, 25270, 25690, 27892, 34865, 48811, 50540, 51380, 69730, 97622, 132487, 139460, 195244, 244055, 264974, 488110, 529948, 662435, 927409, 976220, 1324870, 1854818, 2649740, 3709636, 4637045, 9274090, 18548180]

約数ペア:

[(1, 18548180), (2, 9274090), (4, 4637045), (5, 3709636), (7, 2649740), (10, 1854818), (14, 1324870), (19, 976220), (20, 927409), (28, 662435), (35, 529948), (38, 488110), (70, 264974), (76, 244055), (95, 195244), (133, 139460), (140, 132487), (190, 97622), (266, 69730), (361, 51380), (367, 50540), (380, 48811), (532, 34865), (665, 27892), (722, 25690), (734, 25270), (1330, 13946), (1444, 12845), (1468, 12635), (1805, 10276), (1835, 10108), (2527, 7340), (2569, 7220), (2660, 6973), (3610, 5138), (3670, 5054)]