23903216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 49587600

約数和(自身を除く): 25684384

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1289, 2318, 2578, 4636, 5156, 9272, 10312, 18544, 20624, 24491, 48982, 78629, 97964, 157258, 195928, 314516, 391856, 629032, 1258064, 1493951, 2987902, 5975804, 11951608, 23903216]

約数ペア:

[(1, 23903216), (2, 11951608), (4, 5975804), (8, 2987902), (16, 1493951), (19, 1258064), (38, 629032), (61, 391856), (76, 314516), (122, 195928), (152, 157258), (244, 97964), (304, 78629), (488, 48982), (976, 24491), (1159, 20624), (1289, 18544), (2318, 10312), (2578, 9272), (4636, 5156)]