18419168

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 37784880

約数和(自身を除く): 19365712

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 101, 139, 164, 202, 278, 328, 404, 556, 656, 808, 1112, 1312, 1616, 2224, 3232, 4141, 4448, 5699, 8282, 11398, 14039, 16564, 22796, 28078, 33128, 45592, 56156, 66256, 91184, 112312, 132512, 182368, 224624, 449248, 575599, 1151198, 2302396, 4604792, 9209584, 18419168]

約数ペア:

[(1, 18419168), (2, 9209584), (4, 4604792), (8, 2302396), (16, 1151198), (32, 575599), (41, 449248), (82, 224624), (101, 182368), (139, 132512), (164, 112312), (202, 91184), (278, 66256), (328, 56156), (404, 45592), (556, 33128), (656, 28078), (808, 22796), (1112, 16564), (1312, 14039), (1616, 11398), (2224, 8282), (3232, 5699), (4141, 4448)]