18117376

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 40176864

約数和(自身を除く): 22059488

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 181, 184, 256, 272, 362, 368, 391, 544, 724, 736, 782, 1088, 1448, 1472, 1564, 2176, 2896, 2944, 3077, 3128, 4163, 4352, 5792, 5888, 6154, 6256, 8326, 11584, 12308, 12512, 16652, 23168, 24616, 25024, 33304, 46336, 49232, 50048, 66608, 70771, 98464, 100096, 133216, 141542, 196928, 266432, 283084, 393856, 532864, 566168, 787712, 1065728, 1132336, 2264672, 4529344, 9058688, 18117376]

約数ペア:

[(1, 18117376), (2, 9058688), (4, 4529344), (8, 2264672), (16, 1132336), (17, 1065728), (23, 787712), (32, 566168), (34, 532864), (46, 393856), (64, 283084), (68, 266432), (92, 196928), (128, 141542), (136, 133216), (181, 100096), (184, 98464), (256, 70771), (272, 66608), (362, 50048), (368, 49232), (391, 46336), (544, 33304), (724, 25024), (736, 24616), (782, 23168), (1088, 16652), (1448, 12512), (1472, 12308), (1564, 11584), (2176, 8326), (2896, 6256), (2944, 6154), (3077, 5888), (3128, 5792), (4163, 4352)]