16639818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 19357878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 383, 557, 766, 1114, 1149, 1671, 2298, 3342, 4979, 7241, 9958, 14482, 14937, 21723, 29874, 43446, 213331, 426662, 639993, 1279986, 2773303, 5546606, 8319909, 16639818]

約数ペア:

[(1, 16639818), (2, 8319909), (3, 5546606), (6, 2773303), (13, 1279986), (26, 639993), (39, 426662), (78, 213331), (383, 43446), (557, 29874), (766, 21723), (1114, 14937), (1149, 14482), (1671, 9958), (2298, 7241), (3342, 4979)]