19847333639

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1\times {\mathrm{1471}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 23708762112

約数和(自身を除く): 3861428473

約数列:

[1, 7, 31, 97, 217, 641, 679, 1471, 3007, 4487, 10297, 19871, 21049, 45601, 62177, 139097, 142687, 319207, 435239, 942911, 998809, 1927487, 4423297, 6600377, 13492409, 29230241, 30963079, 91462367, 204611687, 640236569, 2835333377, 19847333639]

約数ペア:

[(1, 19847333639), (7, 2835333377), (31, 640236569), (97, 204611687), (217, 91462367), (641, 30963079), (679, 29230241), (1471, 13492409), (3007, 6600377), (4487, 4423297), (10297, 1927487), (19871, 998809), (21049, 942911), (45601, 435239), (62177, 319207), (139097, 142687)]