19571216

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 48389760

約数和(自身を除く): 28818544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 541, 646, 952, 1064, 1082, 1292, 1904, 2128, 2164, 2261, 2584, 3787, 4328, 4522, 5168, 7574, 8656, 9044, 9197, 10279, 15148, 18088, 18394, 20558, 30296, 36176, 36788, 41116, 60592, 64379, 71953, 73576, 82232, 128758, 143906, 147152, 164464, 174743, 257516, 287812, 349486, 515032, 575624, 698972, 1030064, 1151248, 1223201, 1397944, 2446402, 2795888, 4892804, 9785608, 19571216]

約数ペア:

[(1, 19571216), (2, 9785608), (4, 4892804), (7, 2795888), (8, 2446402), (14, 1397944), (16, 1223201), (17, 1151248), (19, 1030064), (28, 698972), (34, 575624), (38, 515032), (56, 349486), (68, 287812), (76, 257516), (112, 174743), (119, 164464), (133, 147152), (136, 143906), (152, 128758), (238, 82232), (266, 73576), (272, 71953), (304, 64379), (323, 60592), (476, 41116), (532, 36788), (541, 36176), (646, 30296), (952, 20558), (1064, 18394), (1082, 18088), (1292, 15148), (1904, 10279), (2128, 9197), (2164, 9044), (2261, 8656), (2584, 7574), (3787, 5168), (4328, 4522)]