19689984

素因数分解:

$2^9\times 3^2\times {\mathrm{4273}}^1$

素因数の和:4297

約数の個数: 60

約数和(自身を含む): 56839926

約数和(自身を除く): 37149942

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4273, 4608, 8546, 12819, 17092, 25638, 34184, 38457, 51276, 68368, 76914, 102552, 136736, 153828, 205104, 273472, 307656, 410208, 546944, 615312, 820416, 1093888, 1230624, 1640832, 2187776, 2461248, 3281664, 4922496, 6563328, 9844992, 19689984]

約数ペア:

[(1, 19689984), (2, 9844992), (3, 6563328), (4, 4922496), (6, 3281664), (8, 2461248), (9, 2187776), (12, 1640832), (16, 1230624), (18, 1093888), (24, 820416), (32, 615312), (36, 546944), (48, 410208), (64, 307656), (72, 273472), (96, 205104), (128, 153828), (144, 136736), (192, 102552), (256, 76914), (288, 68368), (384, 51276), (512, 38457), (576, 34184), (768, 25638), (1152, 17092), (1536, 12819), (2304, 8546), (4273, 4608)]