16781408

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 39755520

約数和(自身を除く): 22974112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 3943, 4256, 7886, 15772, 27601, 31544, 55202, 63088, 74917, 110404, 126176, 149834, 220808, 299668, 441616, 524419, 599336, 883232, 1048838, 1198672, 2097676, 2397344, 4195352, 8390704, 16781408]

約数ペア:

[(1, 16781408), (2, 8390704), (4, 4195352), (7, 2397344), (8, 2097676), (14, 1198672), (16, 1048838), (19, 883232), (28, 599336), (32, 524419), (38, 441616), (56, 299668), (76, 220808), (112, 149834), (133, 126176), (152, 110404), (224, 74917), (266, 63088), (304, 55202), (532, 31544), (608, 27601), (1064, 15772), (2128, 7886), (3943, 4256)]