19433456

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 43330560

約数和(自身を除く): 23897104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1039, 1169, 1336, 2078, 2338, 2672, 4156, 4676, 7273, 8312, 9352, 14546, 16624, 18704, 29092, 58184, 116368, 173513, 347026, 694052, 1214591, 1388104, 2429182, 2776208, 4858364, 9716728, 19433456]

約数ペア:

[(1, 19433456), (2, 9716728), (4, 4858364), (7, 2776208), (8, 2429182), (14, 1388104), (16, 1214591), (28, 694052), (56, 347026), (112, 173513), (167, 116368), (334, 58184), (668, 29092), (1039, 18704), (1169, 16624), (1336, 14546), (2078, 9352), (2338, 8312), (2672, 7273), (4156, 4676)]