19731184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 22587536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 1579, 3124, 3158, 6248, 6316, 12496, 12632, 17369, 25264, 34738, 69476, 112109, 138952, 224218, 277904, 448436, 896872, 1233199, 1793744, 2466398, 4932796, 9865592, 19731184]

約数ペア:

[(1, 19731184), (2, 9865592), (4, 4932796), (8, 2466398), (11, 1793744), (16, 1233199), (22, 896872), (44, 448436), (71, 277904), (88, 224218), (142, 138952), (176, 112109), (284, 69476), (568, 34738), (781, 25264), (1136, 17369), (1562, 12632), (1579, 12496), (3124, 6316), (3158, 6248)]