19671904

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 45124128

約数和(自身を除く): 25452224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1657, 1696, 2968, 3314, 5936, 6628, 11599, 11872, 13256, 23198, 26512, 46396, 53024, 87821, 92792, 175642, 185584, 351284, 371168, 614747, 702568, 1229494, 1405136, 2458988, 2810272, 4917976, 9835952, 19671904]

約数ペア:

[(1, 19671904), (2, 9835952), (4, 4917976), (7, 2810272), (8, 2458988), (14, 1405136), (16, 1229494), (28, 702568), (32, 614747), (53, 371168), (56, 351284), (106, 185584), (112, 175642), (212, 92792), (224, 87821), (371, 53024), (424, 46396), (742, 26512), (848, 23198), (1484, 13256), (1657, 11872), (1696, 11599), (2968, 6628), (3314, 5936)]