19229518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 19339442

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 61, 77, 89, 122, 154, 161, 178, 253, 322, 427, 506, 623, 671, 854, 979, 1246, 1342, 1403, 1771, 1958, 2047, 2806, 3542, 4094, 4697, 5429, 6853, 9394, 9821, 10858, 13706, 14329, 15433, 19642, 22517, 28658, 30866, 38003, 45034, 59719, 76006, 108031, 119438, 124867, 157619, 216062, 249734, 315238, 418033, 836066, 874069, 1373537, 1748138, 2747074, 9614759, 19229518]

約数ペア:

[(1, 19229518), (2, 9614759), (7, 2747074), (11, 1748138), (14, 1373537), (22, 874069), (23, 836066), (46, 418033), (61, 315238), (77, 249734), (89, 216062), (122, 157619), (154, 124867), (161, 119438), (178, 108031), (253, 76006), (322, 59719), (427, 45034), (506, 38003), (623, 30866), (671, 28658), (854, 22517), (979, 19642), (1246, 15433), (1342, 14329), (1403, 13706), (1771, 10858), (1958, 9821), (2047, 9394), (2806, 6853), (3542, 5429), (4094, 4697)]