18958672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 39747456

約数和(自身を除く): 20788784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1483, 1598, 2966, 3196, 5932, 6392, 11864, 12784, 23728, 25211, 50422, 69701, 100844, 139402, 201688, 278804, 403376, 557608, 1115216, 1184917, 2369834, 4739668, 9479336, 18958672]

約数ペア:

[(1, 18958672), (2, 9479336), (4, 4739668), (8, 2369834), (16, 1184917), (17, 1115216), (34, 557608), (47, 403376), (68, 278804), (94, 201688), (136, 139402), (188, 100844), (272, 69701), (376, 50422), (752, 25211), (799, 23728), (1483, 12784), (1598, 11864), (2966, 6392), (3196, 5932)]