19919552

素因数分解:

$2^6\times {\mathrm{547}}^1\times {\mathrm{569}}^1$

素因数の和:1128

約数の個数: 28

約数和(自身を含む): 39669720

約数和(自身を除く): 19750168

約数列:

[1, 2, 4, 8, 16, 32, 64, 547, 569, 1094, 1138, 2188, 2276, 4376, 4552, 8752, 9104, 17504, 18208, 35008, 36416, 311243, 622486, 1244972, 2489944, 4979888, 9959776, 19919552]

約数ペア:

[(1, 19919552), (2, 9959776), (4, 4979888), (8, 2489944), (16, 1244972), (32, 622486), (64, 311243), (547, 36416), (569, 35008), (1094, 18208), (1138, 17504), (2188, 9104), (2276, 8752), (4376, 4552)]