19009298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 38631168

約数和(自身を除く): 19621870

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 53, 77, 106, 119, 137, 154, 187, 238, 274, 371, 374, 583, 742, 901, 959, 1166, 1309, 1507, 1802, 1918, 2329, 2618, 3014, 4081, 4658, 6307, 7261, 8162, 9911, 10549, 12614, 14522, 16303, 19822, 21098, 25619, 32606, 50827, 51238, 69377, 79871, 101654, 123437, 138754, 159742, 179333, 246874, 358666, 559097, 864059, 1118194, 1357807, 1728118, 2715614, 9504649, 19009298]

約数ペア:

[(1, 19009298), (2, 9504649), (7, 2715614), (11, 1728118), (14, 1357807), (17, 1118194), (22, 864059), (34, 559097), (53, 358666), (77, 246874), (106, 179333), (119, 159742), (137, 138754), (154, 123437), (187, 101654), (238, 79871), (274, 69377), (371, 51238), (374, 50827), (583, 32606), (742, 25619), (901, 21098), (959, 19822), (1166, 16303), (1309, 14522), (1507, 12614), (1802, 10549), (1918, 9911), (2329, 8162), (2618, 7261), (3014, 6307), (4081, 4658)]