18989740432

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2243}}^1$

素因数の和:2409

約数の個数: 120

約数和(自身を含む): 41551411968

約数和(自身を除く): 22561671536

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 101, 104, 124, 169, 202, 208, 248, 338, 403, 404, 496, 676, 806, 808, 1313, 1352, 1612, 1616, 2243, 2626, 2704, 3131, 3224, 4486, 5239, 5252, 6262, 6448, 8972, 10478, 10504, 12524, 17069, 17944, 20956, 21008, 25048, 29159, 34138, 35888, 40703, 41912, 50096, 58318, 68276, 69533, 81406, 83824, 116636, 136552, 139066, 162812, 226543, 233272, 273104, 278132, 325624, 379067, 453086, 466544, 529139, 556264, 651248, 758134, 903929, 906172, 1058278, 1112528, 1516268, 1807858, 1812344, 2116556, 2945059, 3032536, 3615716, 3624688, 4233112, 5890118, 6065072, 7022833, 7231432, 8466224, 11751077, 11780236, 14045666, 14462864, 23502154, 23560472, 28091332, 38285767, 47004308, 47120944, 56182664, 76571534, 91296829, 94008616, 112365328, 153143068, 182593658, 188017232, 306286136, 365187316, 612572272, 730374632, 1186858777, 1460749264, 2373717554, 4747435108, 9494870216, 18989740432]

約数ペア:

[(1, 18989740432), (2, 9494870216), (4, 4747435108), (8, 2373717554), (13, 1460749264), (16, 1186858777), (26, 730374632), (31, 612572272), (52, 365187316), (62, 306286136), (101, 188017232), (104, 182593658), (124, 153143068), (169, 112365328), (202, 94008616), (208, 91296829), (248, 76571534), (338, 56182664), (403, 47120944), (404, 47004308), (496, 38285767), (676, 28091332), (806, 23560472), (808, 23502154), (1313, 14462864), (1352, 14045666), (1612, 11780236), (1616, 11751077), (2243, 8466224), (2626, 7231432), (2704, 7022833), (3131, 6065072), (3224, 5890118), (4486, 4233112), (5239, 3624688), (5252, 3615716), (6262, 3032536), (6448, 2945059), (8972, 2116556), (10478, 1812344), (10504, 1807858), (12524, 1516268), (17069, 1112528), (17944, 1058278), (20956, 906172), (21008, 903929), (25048, 758134), (29159, 651248), (34138, 556264), (35888, 529139), (40703, 466544), (41912, 453086), (50096, 379067), (58318, 325624), (68276, 278132), (69533, 273104), (81406, 233272), (83824, 226543), (116636, 162812), (136552, 139066)]