19155568

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 19091984

約数列:

[1, 2, 4, 8, 16, 67, 107, 134, 167, 214, 268, 334, 428, 536, 668, 856, 1072, 1336, 1712, 2672, 7169, 11189, 14338, 17869, 22378, 28676, 35738, 44756, 57352, 71476, 89512, 114704, 142952, 179024, 285904, 1197223, 2394446, 4788892, 9577784, 19155568]

約数ペア:

[(1, 19155568), (2, 9577784), (4, 4788892), (8, 2394446), (16, 1197223), (67, 285904), (107, 179024), (134, 142952), (167, 114704), (214, 89512), (268, 71476), (334, 57352), (428, 44756), (536, 35738), (668, 28676), (856, 22378), (1072, 17869), (1336, 14338), (1712, 11189), (2672, 7169)]