18009198

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 40257360

約数和(自身を除く): 22248162

約数列:

[1, 2, 3, 6, 9, 18, 67, 109, 134, 137, 201, 218, 274, 327, 402, 411, 603, 654, 822, 981, 1206, 1233, 1962, 2466, 7303, 9179, 14606, 14933, 18358, 21909, 27537, 29866, 43818, 44799, 55074, 65727, 82611, 89598, 131454, 134397, 165222, 268794, 1000511, 2001022, 3001533, 6003066, 9004599, 18009198]

約数ペア:

[(1, 18009198), (2, 9004599), (3, 6003066), (6, 3001533), (9, 2001022), (18, 1000511), (67, 268794), (109, 165222), (134, 134397), (137, 131454), (201, 89598), (218, 82611), (274, 65727), (327, 55074), (402, 44799), (411, 43818), (603, 29866), (654, 27537), (822, 21909), (981, 18358), (1206, 14933), (1233, 14606), (1962, 9179), (2466, 7303)]