18747872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 46103904

約数和(自身を除く): 27356032

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 241, 272, 286, 352, 374, 416, 442, 482, 544, 572, 748, 884, 964, 1144, 1496, 1768, 1928, 2288, 2431, 2651, 2992, 3133, 3536, 3856, 4097, 4576, 4862, 5302, 5984, 6266, 7072, 7712, 8194, 9724, 10604, 12532, 16388, 19448, 21208, 25064, 32776, 34463, 38896, 42416, 45067, 50128, 53261, 65552, 68926, 77792, 84832, 90134, 100256, 106522, 131104, 137852, 180268, 213044, 275704, 360536, 426088, 551408, 585871, 721072, 852176, 1102816, 1171742, 1442144, 1704352, 2343484, 4686968, 9373936, 18747872]

約数ペア:

[(1, 18747872), (2, 9373936), (4, 4686968), (8, 2343484), (11, 1704352), (13, 1442144), (16, 1171742), (17, 1102816), (22, 852176), (26, 721072), (32, 585871), (34, 551408), (44, 426088), (52, 360536), (68, 275704), (88, 213044), (104, 180268), (136, 137852), (143, 131104), (176, 106522), (187, 100256), (208, 90134), (221, 84832), (241, 77792), (272, 68926), (286, 65552), (352, 53261), (374, 50128), (416, 45067), (442, 42416), (482, 38896), (544, 34463), (572, 32776), (748, 25064), (884, 21208), (964, 19448), (1144, 16388), (1496, 12532), (1768, 10604), (1928, 9724), (2288, 8194), (2431, 7712), (2651, 7072), (2992, 6266), (3133, 5984), (3536, 5302), (3856, 4862), (4097, 4576)]