17996796

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 47335680

約数和(自身を除く): 29338884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2347, 2556, 3834, 4694, 7041, 7668, 9388, 14082, 21123, 28164, 42246, 63369, 84492, 126738, 166637, 253476, 333274, 499911, 666548, 999822, 1499733, 1999644, 2999466, 4499199, 5998932, 8998398, 17996796]

約数ペア:

[(1, 17996796), (2, 8998398), (3, 5998932), (4, 4499199), (6, 2999466), (9, 1999644), (12, 1499733), (18, 999822), (27, 666548), (36, 499911), (54, 333274), (71, 253476), (108, 166637), (142, 126738), (213, 84492), (284, 63369), (426, 42246), (639, 28164), (852, 21123), (1278, 14082), (1917, 9388), (2347, 7668), (2556, 7041), (3834, 4694)]