19995136

素因数分解:

$2^9\times 7^2\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 60

約数和(自身を含む): 46532178

約数和(自身を除く): 26537042

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 797, 896, 1568, 1594, 1792, 3136, 3188, 3584, 5579, 6272, 6376, 11158, 12544, 12752, 22316, 25088, 25504, 39053, 44632, 51008, 78106, 89264, 102016, 156212, 178528, 204032, 312424, 357056, 408064, 624848, 714112, 1249696, 1428224, 2499392, 2856448, 4998784, 9997568, 19995136]

約数ペア:

[(1, 19995136), (2, 9997568), (4, 4998784), (7, 2856448), (8, 2499392), (14, 1428224), (16, 1249696), (28, 714112), (32, 624848), (49, 408064), (56, 357056), (64, 312424), (98, 204032), (112, 178528), (128, 156212), (196, 102016), (224, 89264), (256, 78106), (392, 51008), (448, 44632), (512, 39053), (784, 25504), (797, 25088), (896, 22316), (1568, 12752), (1594, 12544), (1792, 11158), (3136, 6376), (3188, 6272), (3584, 5579)]