18676736

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 88

約数和(自身を含む): 42643104

約数和(自身を除く): 23966368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 61, 64, 92, 104, 122, 128, 184, 208, 244, 256, 299, 368, 416, 488, 512, 598, 736, 793, 832, 976, 1024, 1196, 1403, 1472, 1586, 1664, 1952, 2392, 2806, 2944, 3172, 3328, 3904, 4784, 5612, 5888, 6344, 6656, 7808, 9568, 11224, 11776, 12688, 13312, 15616, 18239, 19136, 22448, 23552, 25376, 31232, 36478, 38272, 44896, 50752, 62464, 72956, 76544, 89792, 101504, 145912, 153088, 179584, 203008, 291824, 306176, 359168, 406016, 583648, 718336, 812032, 1167296, 1436672, 2334592, 4669184, 9338368, 18676736]

約数ペア:

[(1, 18676736), (2, 9338368), (4, 4669184), (8, 2334592), (13, 1436672), (16, 1167296), (23, 812032), (26, 718336), (32, 583648), (46, 406016), (52, 359168), (61, 306176), (64, 291824), (92, 203008), (104, 179584), (122, 153088), (128, 145912), (184, 101504), (208, 89792), (244, 76544), (256, 72956), (299, 62464), (368, 50752), (416, 44896), (488, 38272), (512, 36478), (598, 31232), (736, 25376), (793, 23552), (832, 22448), (976, 19136), (1024, 18239), (1196, 15616), (1403, 13312), (1472, 12688), (1586, 11776), (1664, 11224), (1952, 9568), (2392, 7808), (2806, 6656), (2944, 6344), (3172, 5888), (3328, 5612), (3904, 4784)]