18537472

素因数分解:

$2^{10}\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 44

約数和(自身を含む): 38008696

約数和(自身を除く): 19471224

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 421, 512, 688, 842, 1024, 1376, 1684, 2752, 3368, 5504, 6736, 11008, 13472, 18103, 22016, 26944, 36206, 44032, 53888, 72412, 107776, 144824, 215552, 289648, 431104, 579296, 1158592, 2317184, 4634368, 9268736, 18537472]

約数ペア:

[(1, 18537472), (2, 9268736), (4, 4634368), (8, 2317184), (16, 1158592), (32, 579296), (43, 431104), (64, 289648), (86, 215552), (128, 144824), (172, 107776), (256, 72412), (344, 53888), (421, 44032), (512, 36206), (688, 26944), (842, 22016), (1024, 18103), (1376, 13472), (1684, 11008), (2752, 6736), (3368, 5504)]