19782016

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9091}}^1$

素因数の和:9122

約数の個数: 32

約数和(自身を含む): 41732280

約数和(自身を除く): 21950264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9091, 18182, 36364, 72728, 145456, 154547, 290912, 309094, 581824, 618188, 1163648, 1236376, 2472752, 4945504, 9891008, 19782016]

約数ペア:

[(1, 19782016), (2, 9891008), (4, 4945504), (8, 2472752), (16, 1236376), (17, 1163648), (32, 618188), (34, 581824), (64, 309094), (68, 290912), (128, 154547), (136, 145456), (272, 72728), (544, 36364), (1088, 18182), (2176, 9091)]