19418624

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 23891104

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 97, 128, 136, 184, 194, 256, 272, 368, 388, 391, 512, 544, 736, 776, 782, 1088, 1472, 1552, 1564, 1649, 2176, 2231, 2944, 3104, 3128, 3298, 4352, 4462, 5888, 6208, 6256, 6596, 8704, 8924, 11776, 12416, 12512, 13192, 17848, 24832, 25024, 26384, 35696, 37927, 49664, 50048, 52768, 71392, 75854, 100096, 105536, 142784, 151708, 200192, 211072, 285568, 303416, 422144, 571136, 606832, 844288, 1142272, 1213664, 2427328, 4854656, 9709312, 19418624]

約数ペア:

[(1, 19418624), (2, 9709312), (4, 4854656), (8, 2427328), (16, 1213664), (17, 1142272), (23, 844288), (32, 606832), (34, 571136), (46, 422144), (64, 303416), (68, 285568), (92, 211072), (97, 200192), (128, 151708), (136, 142784), (184, 105536), (194, 100096), (256, 75854), (272, 71392), (368, 52768), (388, 50048), (391, 49664), (512, 37927), (544, 35696), (736, 26384), (776, 25024), (782, 24832), (1088, 17848), (1472, 13192), (1552, 12512), (1564, 12416), (1649, 11776), (2176, 8924), (2231, 8704), (2944, 6596), (3104, 6256), (3128, 6208), (3298, 5888), (4352, 4462)]