18917536

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22063712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 241, 352, 446, 482, 892, 964, 1784, 1928, 2453, 2651, 3568, 3856, 4906, 5302, 7136, 7712, 9812, 10604, 19624, 21208, 39248, 42416, 53743, 78496, 84832, 107486, 214972, 429944, 591173, 859888, 1182346, 1719776, 2364692, 4729384, 9458768, 18917536]

約数ペア:

[(1, 18917536), (2, 9458768), (4, 4729384), (8, 2364692), (11, 1719776), (16, 1182346), (22, 859888), (32, 591173), (44, 429944), (88, 214972), (176, 107486), (223, 84832), (241, 78496), (352, 53743), (446, 42416), (482, 39248), (892, 21208), (964, 19624), (1784, 10604), (1928, 9812), (2453, 7712), (2651, 7136), (3568, 5302), (3856, 4906)]