19554880

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1223

約数の個数: 56

約数和(自身を含む): 47484792

約数和(自身を除く): 27929912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1153, 1696, 2120, 2306, 3392, 4240, 4612, 5765, 8480, 9224, 11530, 16960, 18448, 23060, 36896, 46120, 61109, 73792, 92240, 122218, 184480, 244436, 305545, 368960, 488872, 611090, 977744, 1222180, 1955488, 2444360, 3910976, 4888720, 9777440, 19554880]

約数ペア:

[(1, 19554880), (2, 9777440), (4, 4888720), (5, 3910976), (8, 2444360), (10, 1955488), (16, 1222180), (20, 977744), (32, 611090), (40, 488872), (53, 368960), (64, 305545), (80, 244436), (106, 184480), (160, 122218), (212, 92240), (265, 73792), (320, 61109), (424, 46120), (530, 36896), (848, 23060), (1060, 18448), (1153, 16960), (1696, 11530), (2120, 9224), (2306, 8480), (3392, 5765), (4240, 4612)]