18169216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 39841200

約数和(自身を除く): 21671984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 179, 208, 244, 358, 416, 488, 716, 793, 832, 976, 1432, 1586, 1664, 1952, 2327, 2864, 3172, 3904, 4654, 5728, 6344, 7808, 9308, 10919, 11456, 12688, 18616, 21838, 22912, 25376, 37232, 43676, 50752, 74464, 87352, 101504, 141947, 148928, 174704, 283894, 297856, 349408, 567788, 698816, 1135576, 1397632, 2271152, 4542304, 9084608, 18169216]

約数ペア:

[(1, 18169216), (2, 9084608), (4, 4542304), (8, 2271152), (13, 1397632), (16, 1135576), (26, 698816), (32, 567788), (52, 349408), (61, 297856), (64, 283894), (104, 174704), (122, 148928), (128, 141947), (179, 101504), (208, 87352), (244, 74464), (358, 50752), (416, 43676), (488, 37232), (716, 25376), (793, 22912), (832, 21838), (976, 18616), (1432, 12688), (1586, 11456), (1664, 10919), (1952, 9308), (2327, 7808), (2864, 6344), (3172, 5728), (3904, 4654)]