18842428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 19655108

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 433, 473, 506, 866, 946, 989, 1012, 1732, 1892, 1978, 3956, 4763, 9526, 9959, 10879, 18619, 19052, 19918, 21758, 37238, 39836, 43516, 74476, 109549, 204809, 219098, 409618, 428237, 438196, 819236, 856474, 1712948, 4710607, 9421214, 18842428]

約数ペア:

[(1, 18842428), (2, 9421214), (4, 4710607), (11, 1712948), (22, 856474), (23, 819236), (43, 438196), (44, 428237), (46, 409618), (86, 219098), (92, 204809), (172, 109549), (253, 74476), (433, 43516), (473, 39836), (506, 37238), (866, 21758), (946, 19918), (989, 19052), (1012, 18619), (1732, 10879), (1892, 9959), (1978, 9526), (3956, 4763)]