19927212368

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{16879}}^1$

素因数の和:17104

約数の個数: 80

約数和(自身を含む): 45010452480

約数和(自身を除く): 25083240112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 127, 166, 254, 332, 508, 581, 664, 889, 1016, 1162, 1328, 1778, 2032, 2324, 3556, 4648, 7112, 9296, 10541, 14224, 16879, 21082, 33758, 42164, 67516, 73787, 84328, 118153, 135032, 147574, 168656, 236306, 270064, 295148, 472612, 590296, 945224, 1180592, 1400957, 1890448, 2143633, 2801914, 4287266, 5603828, 8574532, 9806699, 11207656, 15005431, 17149064, 19613398, 22415312, 30010862, 34298128, 39226796, 60021724, 78453592, 120043448, 156907184, 177921539, 240086896, 355843078, 711686156, 1245450773, 1423372312, 2490901546, 2846744624, 4981803092, 9963606184, 19927212368]

約数ペア:

[(1, 19927212368), (2, 9963606184), (4, 4981803092), (7, 2846744624), (8, 2490901546), (14, 1423372312), (16, 1245450773), (28, 711686156), (56, 355843078), (83, 240086896), (112, 177921539), (127, 156907184), (166, 120043448), (254, 78453592), (332, 60021724), (508, 39226796), (581, 34298128), (664, 30010862), (889, 22415312), (1016, 19613398), (1162, 17149064), (1328, 15005431), (1778, 11207656), (2032, 9806699), (2324, 8574532), (3556, 5603828), (4648, 4287266), (7112, 2801914), (9296, 2143633), (10541, 1890448), (14224, 1400957), (16879, 1180592), (21082, 945224), (33758, 590296), (42164, 472612), (67516, 295148), (73787, 270064), (84328, 236306), (118153, 168656), (135032, 147574)]