18871864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11287}}^1$

素因数の和:11323

約数の個数: 32

約数和(自身を含む): 40636800

約数和(自身を除く): 21764936

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11287, 22574, 45148, 90296, 124157, 214453, 248314, 428906, 496628, 857812, 993256, 1715624, 2358983, 4717966, 9435932, 18871864]

約数ペア:

[(1, 18871864), (2, 9435932), (4, 4717966), (8, 2358983), (11, 1715624), (19, 993256), (22, 857812), (38, 496628), (44, 428906), (76, 248314), (88, 214453), (152, 124157), (209, 90296), (418, 45148), (836, 22574), (1672, 11287)]