19531088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 40830720

約数和(自身を除く): 21299632

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1567, 3116, 3134, 6232, 6268, 12464, 12536, 25072, 29773, 59546, 64247, 119092, 128494, 238184, 256988, 476368, 513976, 1027952, 1220693, 2441386, 4882772, 9765544, 19531088]

約数ペア:

[(1, 19531088), (2, 9765544), (4, 4882772), (8, 2441386), (16, 1220693), (19, 1027952), (38, 513976), (41, 476368), (76, 256988), (82, 238184), (152, 128494), (164, 119092), (304, 64247), (328, 59546), (656, 29773), (779, 25072), (1558, 12536), (1567, 12464), (3116, 6268), (3134, 6232)]