18806401913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1\times {\mathrm{1327}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 21520611840

約数和(自身を除く): 2714209927

約数列:

[1, 13, 19, 181, 247, 317, 1327, 2353, 3439, 4121, 6023, 17251, 25213, 44707, 57377, 78299, 240187, 327769, 420659, 745901, 1090163, 3122431, 4563553, 5468567, 7992521, 14172119, 59326189, 76139279, 103902773, 989810627, 1446646301, 18806401913]

約数ペア:

[(1, 18806401913), (13, 1446646301), (19, 989810627), (181, 103902773), (247, 76139279), (317, 59326189), (1327, 14172119), (2353, 7992521), (3439, 5468567), (4121, 4563553), (6023, 3122431), (17251, 1090163), (25213, 745901), (44707, 420659), (57377, 327769), (78299, 240187)]