19857648

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{17987}}^1$

素因数の和:18021

約数の個数: 40

約数和(自身を含む): 53532288

約数和(自身を除く): 33674640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 17987, 35974, 53961, 71948, 107922, 143896, 215844, 287792, 413701, 431688, 827402, 863376, 1241103, 1654804, 2482206, 3309608, 4964412, 6619216, 9928824, 19857648]

約数ペア:

[(1, 19857648), (2, 9928824), (3, 6619216), (4, 4964412), (6, 3309608), (8, 2482206), (12, 1654804), (16, 1241103), (23, 863376), (24, 827402), (46, 431688), (48, 413701), (69, 287792), (92, 215844), (138, 143896), (184, 107922), (276, 71948), (368, 53961), (552, 35974), (1104, 17987)]