18790883728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{1657}}^1$

素因数の和:2072

約数の個数: 80

約数和(自身を含む): 38101954176

約数和(自身を除く): 19311070448

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 311, 344, 424, 622, 688, 848, 1244, 1657, 2279, 2488, 3314, 4558, 4976, 6628, 9116, 13256, 13373, 16483, 18232, 26512, 26746, 32966, 36464, 53492, 65932, 71251, 87821, 106984, 131864, 142502, 175642, 213968, 263728, 285004, 351284, 515327, 570008, 702568, 708769, 1030654, 1140016, 1405136, 1417538, 2061308, 2835076, 3776303, 4122616, 5670152, 7552606, 8245232, 11340304, 15105212, 22159061, 27312331, 30210424, 44318122, 54624662, 60420848, 88636244, 109249324, 177272488, 218498648, 354544976, 436997296, 1174430233, 2348860466, 4697720932, 9395441864, 18790883728]

約数ペア:

[(1, 18790883728), (2, 9395441864), (4, 4697720932), (8, 2348860466), (16, 1174430233), (43, 436997296), (53, 354544976), (86, 218498648), (106, 177272488), (172, 109249324), (212, 88636244), (311, 60420848), (344, 54624662), (424, 44318122), (622, 30210424), (688, 27312331), (848, 22159061), (1244, 15105212), (1657, 11340304), (2279, 8245232), (2488, 7552606), (3314, 5670152), (4558, 4122616), (4976, 3776303), (6628, 2835076), (9116, 2061308), (13256, 1417538), (13373, 1405136), (16483, 1140016), (18232, 1030654), (26512, 708769), (26746, 702568), (32966, 570008), (36464, 515327), (53492, 351284), (65932, 285004), (71251, 263728), (87821, 213968), (106984, 175642), (131864, 142502)]