19168864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 26554016

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 59, 71, 88, 104, 118, 142, 143, 176, 208, 236, 284, 286, 352, 416, 472, 568, 572, 649, 767, 781, 923, 944, 1136, 1144, 1298, 1534, 1562, 1846, 1888, 2272, 2288, 2596, 3068, 3124, 3692, 4189, 4576, 5192, 6136, 6248, 7384, 8378, 8437, 10153, 10384, 12272, 12496, 14768, 16756, 16874, 20306, 20768, 24544, 24992, 29536, 33512, 33748, 40612, 46079, 54457, 67024, 67496, 81224, 92158, 108914, 134048, 134992, 162448, 184316, 217828, 269984, 324896, 368632, 435656, 599027, 737264, 871312, 1198054, 1474528, 1742624, 2396108, 4792216, 9584432, 19168864]

約数ペア:

[(1, 19168864), (2, 9584432), (4, 4792216), (8, 2396108), (11, 1742624), (13, 1474528), (16, 1198054), (22, 871312), (26, 737264), (32, 599027), (44, 435656), (52, 368632), (59, 324896), (71, 269984), (88, 217828), (104, 184316), (118, 162448), (142, 134992), (143, 134048), (176, 108914), (208, 92158), (236, 81224), (284, 67496), (286, 67024), (352, 54457), (416, 46079), (472, 40612), (568, 33748), (572, 33512), (649, 29536), (767, 24992), (781, 24544), (923, 20768), (944, 20306), (1136, 16874), (1144, 16756), (1298, 14768), (1534, 12496), (1562, 12272), (1846, 10384), (1888, 10153), (2272, 8437), (2288, 8378), (2596, 7384), (3068, 6248), (3124, 6136), (3692, 5192), (4189, 4576)]