18601984

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 19923776

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 293, 496, 512, 586, 992, 1024, 1172, 1984, 2048, 2344, 3968, 4688, 7936, 9083, 9376, 15872, 18166, 18752, 31744, 36332, 37504, 63488, 72664, 75008, 145328, 150016, 290656, 300032, 581312, 600064, 1162624, 2325248, 4650496, 9300992, 18601984]

約数ペア:

[(1, 18601984), (2, 9300992), (4, 4650496), (8, 2325248), (16, 1162624), (31, 600064), (32, 581312), (62, 300032), (64, 290656), (124, 150016), (128, 145328), (248, 75008), (256, 72664), (293, 63488), (496, 37504), (512, 36332), (586, 31744), (992, 18752), (1024, 18166), (1172, 15872), (1984, 9376), (2048, 9083), (2344, 7936), (3968, 4688)]