18495664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5531}}^1$

素因数の和:5569

約数の個数: 40

約数和(自身を含む): 41158080

約数和(自身を除く): 22662416

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5531, 11062, 22124, 44248, 60841, 88496, 105089, 121682, 210178, 243364, 420356, 486728, 840712, 973456, 1155979, 1681424, 2311958, 4623916, 9247832, 18495664]

約数ペア:

[(1, 18495664), (2, 9247832), (4, 4623916), (8, 2311958), (11, 1681424), (16, 1155979), (19, 973456), (22, 840712), (38, 486728), (44, 420356), (76, 243364), (88, 210178), (152, 121682), (176, 105089), (209, 88496), (304, 60841), (418, 44248), (836, 22124), (1672, 11062), (3344, 5531)]