19478608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 20893808

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1291, 1886, 2582, 3772, 5164, 7544, 10328, 15088, 20656, 29693, 52931, 59386, 105862, 118772, 211724, 237544, 423448, 475088, 846896, 1217413, 2434826, 4869652, 9739304, 19478608]

約数ペア:

[(1, 19478608), (2, 9739304), (4, 4869652), (8, 2434826), (16, 1217413), (23, 846896), (41, 475088), (46, 423448), (82, 237544), (92, 211724), (164, 118772), (184, 105862), (328, 59386), (368, 52931), (656, 29693), (943, 20656), (1291, 15088), (1886, 10328), (2582, 7544), (3772, 5164)]