19505408

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5861}}^1$

素因数の和:5890

約数の個数: 36

約数和(自身を含む): 41936748

約数和(自身を除く): 22431340

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5861, 11722, 23444, 46888, 76193, 93776, 152386, 187552, 304772, 375104, 609544, 750208, 1219088, 1500416, 2438176, 4876352, 9752704, 19505408]

約数ペア:

[(1, 19505408), (2, 9752704), (4, 4876352), (8, 2438176), (13, 1500416), (16, 1219088), (26, 750208), (32, 609544), (52, 375104), (64, 304772), (104, 187552), (128, 152386), (208, 93776), (256, 76193), (416, 46888), (832, 23444), (1664, 11722), (3328, 5861)]