19910176

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 48686400

約数和(自身を除く): 28776224

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 229, 247, 286, 304, 352, 416, 418, 458, 494, 572, 608, 836, 916, 988, 1144, 1672, 1832, 1976, 2288, 2519, 2717, 2977, 3344, 3664, 3952, 4351, 4576, 5038, 5434, 5954, 6688, 7328, 7904, 8702, 10076, 10868, 11908, 17404, 20152, 21736, 23816, 32747, 34808, 40304, 43472, 47632, 47861, 56563, 65494, 69616, 80608, 86944, 95264, 95722, 113126, 130988, 139232, 191444, 226252, 261976, 382888, 452504, 523952, 622193, 765776, 905008, 1047904, 1244386, 1531552, 1810016, 2488772, 4977544, 9955088, 19910176]

約数ペア:

[(1, 19910176), (2, 9955088), (4, 4977544), (8, 2488772), (11, 1810016), (13, 1531552), (16, 1244386), (19, 1047904), (22, 905008), (26, 765776), (32, 622193), (38, 523952), (44, 452504), (52, 382888), (76, 261976), (88, 226252), (104, 191444), (143, 139232), (152, 130988), (176, 113126), (208, 95722), (209, 95264), (229, 86944), (247, 80608), (286, 69616), (304, 65494), (352, 56563), (416, 47861), (418, 47632), (458, 43472), (494, 40304), (572, 34808), (608, 32747), (836, 23816), (916, 21736), (988, 20152), (1144, 17404), (1672, 11908), (1832, 10868), (1976, 10076), (2288, 8702), (2519, 7904), (2717, 7328), (2977, 6688), (3344, 5954), (3664, 5434), (3952, 5038), (4351, 4576)]