19009861618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1\times {\mathrm{643}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 33286474368

約数和(自身を除く): 14276612750

約数列:

[1, 2, 11, 17, 22, 34, 137, 187, 274, 374, 577, 643, 1154, 1286, 1507, 2329, 3014, 4658, 6347, 7073, 9809, 10931, 12694, 14146, 19618, 21862, 25619, 51238, 79049, 88091, 107899, 120241, 158098, 176182, 215798, 240482, 371011, 742022, 869539, 969001, 1343833, 1497547, 1739078, 1938002, 2687666, 2995094, 4081121, 6307187, 8162242, 12614374, 14782163, 16473017, 29564326, 32946034, 50828507, 69379057, 101657014, 138758114, 559113577, 864084619, 1118227154, 1728169238, 9504930809, 19009861618]

約数ペア:

[(1, 19009861618), (2, 9504930809), (11, 1728169238), (17, 1118227154), (22, 864084619), (34, 559113577), (137, 138758114), (187, 101657014), (274, 69379057), (374, 50828507), (577, 32946034), (643, 29564326), (1154, 16473017), (1286, 14782163), (1507, 12614374), (2329, 8162242), (3014, 6307187), (4658, 4081121), (6347, 2995094), (7073, 2687666), (9809, 1938002), (10931, 1739078), (12694, 1497547), (14146, 1343833), (19618, 969001), (21862, 869539), (25619, 742022), (51238, 371011), (79049, 240482), (88091, 215798), (107899, 176182), (120241, 158098)]