17996992

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 56

約数和(自身を含む): 39030656

約数和(自身を除く): 21033664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 223, 388, 416, 446, 776, 832, 892, 1261, 1552, 1784, 2522, 2899, 3104, 3568, 5044, 5798, 6208, 7136, 10088, 11596, 14272, 20176, 21631, 23192, 40352, 43262, 46384, 80704, 86524, 92768, 173048, 185536, 281203, 346096, 562406, 692192, 1124812, 1384384, 2249624, 4499248, 8998496, 17996992]

約数ペア:

[(1, 17996992), (2, 8998496), (4, 4499248), (8, 2249624), (13, 1384384), (16, 1124812), (26, 692192), (32, 562406), (52, 346096), (64, 281203), (97, 185536), (104, 173048), (194, 92768), (208, 86524), (223, 80704), (388, 46384), (416, 43262), (446, 40352), (776, 23192), (832, 21631), (892, 20176), (1261, 14272), (1552, 11596), (1784, 10088), (2522, 7136), (2899, 6208), (3104, 5798), (3568, 5044)]