19137008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 21574672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 479, 908, 958, 1816, 1916, 2497, 3632, 3832, 4994, 5269, 7664, 9988, 10538, 19976, 21076, 39952, 42152, 84304, 108733, 217466, 434932, 869864, 1196063, 1739728, 2392126, 4784252, 9568504, 19137008]

約数ペア:

[(1, 19137008), (2, 9568504), (4, 4784252), (8, 2392126), (11, 1739728), (16, 1196063), (22, 869864), (44, 434932), (88, 217466), (176, 108733), (227, 84304), (454, 42152), (479, 39952), (908, 21076), (958, 19976), (1816, 10538), (1916, 9988), (2497, 7664), (3632, 5269), (3832, 4994)]