19804664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3359}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 21321736

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3359, 5896, 6718, 13436, 26872, 36949, 73898, 147796, 225053, 295592, 450106, 900212, 1800424, 2475583, 4951166, 9902332, 19804664]

約数ペア:

[(1, 19804664), (2, 9902332), (4, 4951166), (8, 2475583), (11, 1800424), (22, 900212), (44, 450106), (67, 295592), (88, 225053), (134, 147796), (268, 73898), (536, 36949), (737, 26872), (1474, 13436), (2948, 6718), (3359, 5896)]