16969888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 38308788

約数和(自身を除く): 21338900

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 113, 152, 208, 226, 247, 304, 361, 416, 452, 494, 608, 722, 904, 988, 1444, 1469, 1808, 1976, 2147, 2888, 2938, 3616, 3952, 4294, 4693, 5776, 5876, 7904, 8588, 9386, 11552, 11752, 17176, 18772, 23504, 27911, 34352, 37544, 40793, 47008, 55822, 68704, 75088, 81586, 111644, 150176, 163172, 223288, 326344, 446576, 530309, 652688, 893152, 1060618, 1305376, 2121236, 4242472, 8484944, 16969888]

約数ペア:

[(1, 16969888), (2, 8484944), (4, 4242472), (8, 2121236), (13, 1305376), (16, 1060618), (19, 893152), (26, 652688), (32, 530309), (38, 446576), (52, 326344), (76, 223288), (104, 163172), (113, 150176), (152, 111644), (208, 81586), (226, 75088), (247, 68704), (304, 55822), (361, 47008), (416, 40793), (452, 37544), (494, 34352), (608, 27911), (722, 23504), (904, 18772), (988, 17176), (1444, 11752), (1469, 11552), (1808, 9386), (1976, 8588), (2147, 7904), (2888, 5876), (2938, 5776), (3616, 4693), (3952, 4294)]