19456942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13202258

約数列:

[1, 2, 17, 23, 34, 46, 139, 179, 278, 358, 391, 782, 2363, 3043, 3197, 4117, 4726, 6086, 6394, 8234, 24881, 49762, 54349, 69989, 108698, 139978, 422977, 572263, 845954, 1144526, 9728471, 19456942]

約数ペア:

[(1, 19456942), (2, 9728471), (17, 1144526), (23, 845954), (34, 572263), (46, 422977), (139, 139978), (179, 108698), (278, 69989), (358, 54349), (391, 49762), (782, 24881), (2363, 8234), (3043, 6394), (3197, 6086), (4117, 4726)]