18458292736

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{7129}}^1$

素因数の和:7549

約数の個数: 80

約数和(自身を含む): 39825185400

約数和(自身を除く): 21366892664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 389, 416, 512, 778, 832, 1556, 1664, 3112, 3328, 5057, 6224, 6656, 7129, 10114, 12448, 14258, 20228, 24896, 28516, 40456, 49792, 57032, 80912, 92677, 99584, 114064, 161824, 185354, 199168, 228128, 323648, 370708, 456256, 647296, 741416, 912512, 1294592, 1482832, 1825024, 2589184, 2773181, 2965664, 3650048, 5546362, 5931328, 11092724, 11862656, 22185448, 23725312, 36051353, 44370896, 47450624, 72102706, 88741792, 144205412, 177483584, 288410824, 354967168, 576821648, 709934336, 1153643296, 1419868672, 2307286592, 4614573184, 9229146368, 18458292736]

約数ペア:

[(1, 18458292736), (2, 9229146368), (4, 4614573184), (8, 2307286592), (13, 1419868672), (16, 1153643296), (26, 709934336), (32, 576821648), (52, 354967168), (64, 288410824), (104, 177483584), (128, 144205412), (208, 88741792), (256, 72102706), (389, 47450624), (416, 44370896), (512, 36051353), (778, 23725312), (832, 22185448), (1556, 11862656), (1664, 11092724), (3112, 5931328), (3328, 5546362), (5057, 3650048), (6224, 2965664), (6656, 2773181), (7129, 2589184), (10114, 1825024), (12448, 1482832), (14258, 1294592), (20228, 912512), (24896, 741416), (28516, 647296), (40456, 456256), (49792, 370708), (57032, 323648), (80912, 228128), (92677, 199168), (99584, 185354), (114064, 161824)]