19297616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 42661332

約数和(自身を除く): 23363716

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 257, 304, 361, 494, 514, 722, 988, 1028, 1444, 1976, 2056, 2888, 3341, 3952, 4112, 4693, 4883, 5776, 6682, 9386, 9766, 13364, 18772, 19532, 26728, 37544, 39064, 53456, 63479, 75088, 78128, 92777, 126958, 185554, 253916, 371108, 507832, 742216, 1015664, 1206101, 1484432, 2412202, 4824404, 9648808, 19297616]

約数ペア:

[(1, 19297616), (2, 9648808), (4, 4824404), (8, 2412202), (13, 1484432), (16, 1206101), (19, 1015664), (26, 742216), (38, 507832), (52, 371108), (76, 253916), (104, 185554), (152, 126958), (208, 92777), (247, 78128), (257, 75088), (304, 63479), (361, 53456), (494, 39064), (514, 37544), (722, 26728), (988, 19532), (1028, 18772), (1444, 13364), (1976, 9766), (2056, 9386), (2888, 6682), (3341, 5776), (3952, 4883), (4112, 4693)]