19658912

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 49053312

約数和(自身を除く): 29394400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 86, 91, 104, 112, 157, 172, 182, 208, 224, 301, 314, 344, 364, 416, 559, 602, 628, 688, 728, 1099, 1118, 1204, 1256, 1376, 1456, 2041, 2198, 2236, 2408, 2512, 2912, 3913, 4082, 4396, 4472, 4816, 5024, 6751, 7826, 8164, 8792, 8944, 9632, 13502, 14287, 15652, 16328, 17584, 17888, 27004, 28574, 31304, 32656, 35168, 47257, 54008, 57148, 62608, 65312, 87763, 94514, 108016, 114296, 125216, 175526, 189028, 216032, 228592, 351052, 378056, 457184, 614341, 702104, 756112, 1228682, 1404208, 1512224, 2457364, 2808416, 4914728, 9829456, 19658912]

約数ペア:

[(1, 19658912), (2, 9829456), (4, 4914728), (7, 2808416), (8, 2457364), (13, 1512224), (14, 1404208), (16, 1228682), (26, 756112), (28, 702104), (32, 614341), (43, 457184), (52, 378056), (56, 351052), (86, 228592), (91, 216032), (104, 189028), (112, 175526), (157, 125216), (172, 114296), (182, 108016), (208, 94514), (224, 87763), (301, 65312), (314, 62608), (344, 57148), (364, 54008), (416, 47257), (559, 35168), (602, 32656), (628, 31304), (688, 28574), (728, 27004), (1099, 17888), (1118, 17584), (1204, 16328), (1256, 15652), (1376, 14287), (1456, 13502), (2041, 9632), (2198, 8944), (2236, 8792), (2408, 8164), (2512, 7826), (2912, 6751), (3913, 5024), (4082, 4816), (4396, 4472)]