19817512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 26449688

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1019, 1144, 1496, 1768, 2038, 2431, 4076, 4862, 8152, 9724, 11209, 13247, 17323, 19448, 22418, 26494, 34646, 44836, 52988, 69292, 89672, 105976, 138584, 145717, 190553, 225199, 291434, 381106, 450398, 582868, 762212, 900796, 1165736, 1524424, 1801592, 2477189, 4954378, 9908756, 19817512]

約数ペア:

[(1, 19817512), (2, 9908756), (4, 4954378), (8, 2477189), (11, 1801592), (13, 1524424), (17, 1165736), (22, 900796), (26, 762212), (34, 582868), (44, 450398), (52, 381106), (68, 291434), (88, 225199), (104, 190553), (136, 145717), (143, 138584), (187, 105976), (221, 89672), (286, 69292), (374, 52988), (442, 44836), (572, 34646), (748, 26494), (884, 22418), (1019, 19448), (1144, 17323), (1496, 13247), (1768, 11209), (2038, 9724), (2431, 8152), (4076, 4862)]