17900460215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{20663}}^1$

素因数の和:21527

約数の個数: 32

約数和(自身を含む): 24697612800

約数和(自身を除く): 6797152585

約数列:

[1, 5, 11, 19, 55, 95, 209, 829, 1045, 4145, 9119, 15751, 20663, 45595, 78755, 103315, 173261, 227293, 392597, 866305, 1136465, 1962985, 4318567, 17129627, 21592835, 85648135, 188425897, 325462913, 942129485, 1627314565, 3580092043, 17900460215]

約数ペア:

[(1, 17900460215), (5, 3580092043), (11, 1627314565), (19, 942129485), (55, 325462913), (95, 188425897), (209, 85648135), (829, 21592835), (1045, 17129627), (4145, 4318567), (9119, 1962985), (15751, 1136465), (20663, 866305), (45595, 392597), (78755, 227293), (103315, 173261)]