18973136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 46080384

約数和(自身を除く): 27107248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 157, 166, 182, 208, 314, 332, 364, 581, 628, 664, 728, 1079, 1099, 1162, 1256, 1328, 1456, 2041, 2158, 2198, 2324, 2512, 4082, 4316, 4396, 4648, 7553, 8164, 8632, 8792, 9296, 13031, 14287, 15106, 16328, 17264, 17584, 26062, 28574, 30212, 32656, 52124, 57148, 60424, 91217, 104248, 114296, 120848, 169403, 182434, 208496, 228592, 338806, 364868, 677612, 729736, 1185821, 1355224, 1459472, 2371642, 2710448, 4743284, 9486568, 18973136]

約数ペア:

[(1, 18973136), (2, 9486568), (4, 4743284), (7, 2710448), (8, 2371642), (13, 1459472), (14, 1355224), (16, 1185821), (26, 729736), (28, 677612), (52, 364868), (56, 338806), (83, 228592), (91, 208496), (104, 182434), (112, 169403), (157, 120848), (166, 114296), (182, 104248), (208, 91217), (314, 60424), (332, 57148), (364, 52124), (581, 32656), (628, 30212), (664, 28574), (728, 26062), (1079, 17584), (1099, 17264), (1162, 16328), (1256, 15106), (1328, 14287), (1456, 13031), (2041, 9296), (2158, 8792), (2198, 8632), (2324, 8164), (2512, 7553), (4082, 4648), (4316, 4396)]