18758852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 40602240

約数和(自身を除く): 21843388

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 953, 1036, 1406, 1906, 2812, 3812, 4921, 6671, 9842, 13342, 18107, 19684, 26684, 35261, 36214, 70522, 72428, 126749, 141044, 246827, 253498, 493654, 506996, 669959, 987308, 1339918, 2679836, 4689713, 9379426, 18758852]

約数ペア:

[(1, 18758852), (2, 9379426), (4, 4689713), (7, 2679836), (14, 1339918), (19, 987308), (28, 669959), (37, 506996), (38, 493654), (74, 253498), (76, 246827), (133, 141044), (148, 126749), (259, 72428), (266, 70522), (518, 36214), (532, 35261), (703, 26684), (953, 19684), (1036, 18107), (1406, 13342), (1906, 9842), (2812, 6671), (3812, 4921)]