19863216

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 55904160

約数和(自身を除く): 36040944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 509, 542, 813, 1018, 1084, 1527, 1626, 2036, 2168, 2439, 3054, 3252, 4072, 4336, 4581, 4878, 6108, 6504, 8144, 9162, 9756, 12216, 13008, 18324, 19512, 24432, 36648, 39024, 73296, 137939, 275878, 413817, 551756, 827634, 1103512, 1241451, 1655268, 2207024, 2482902, 3310536, 4965804, 6621072, 9931608, 19863216]

約数ペア:

[(1, 19863216), (2, 9931608), (3, 6621072), (4, 4965804), (6, 3310536), (8, 2482902), (9, 2207024), (12, 1655268), (16, 1241451), (18, 1103512), (24, 827634), (36, 551756), (48, 413817), (72, 275878), (144, 137939), (271, 73296), (509, 39024), (542, 36648), (813, 24432), (1018, 19512), (1084, 18324), (1527, 13008), (1626, 12216), (2036, 9756), (2168, 9162), (2439, 8144), (3054, 6504), (3252, 6108), (4072, 4878), (4336, 4581)]