19672695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 41367456

約数和(自身を除く): 21694761

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 173, 285, 315, 361, 399, 519, 665, 855, 865, 1083, 1197, 1211, 1557, 1805, 1995, 2527, 2595, 3249, 3287, 3633, 5415, 5985, 6055, 7581, 7785, 9861, 10899, 12635, 16245, 16435, 18165, 22743, 23009, 29583, 37905, 49305, 54495, 62453, 69027, 113715, 115045, 147915, 187359, 207081, 312265, 345135, 437171, 562077, 936795, 1035405, 1311513, 2185855, 2810385, 3934539, 6557565, 19672695]

約数ペア:

[(1, 19672695), (3, 6557565), (5, 3934539), (7, 2810385), (9, 2185855), (15, 1311513), (19, 1035405), (21, 936795), (35, 562077), (45, 437171), (57, 345135), (63, 312265), (95, 207081), (105, 187359), (133, 147915), (171, 115045), (173, 113715), (285, 69027), (315, 62453), (361, 54495), (399, 49305), (519, 37905), (665, 29583), (855, 23009), (865, 22743), (1083, 18165), (1197, 16435), (1211, 16245), (1557, 12635), (1805, 10899), (1995, 9861), (2527, 7785), (2595, 7581), (3249, 6055), (3287, 5985), (3633, 5415)]