19970368

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 56

約数和(自身を含む): 45537120

約数和(自身を除く): 25566752

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1493, 1672, 2986, 3344, 5972, 6688, 11944, 13376, 16423, 23888, 28367, 32846, 47776, 56734, 65692, 95552, 113468, 131384, 226936, 262768, 312037, 453872, 525536, 624074, 907744, 1051072, 1248148, 1815488, 2496296, 4992592, 9985184, 19970368]

約数ペア:

[(1, 19970368), (2, 9985184), (4, 4992592), (8, 2496296), (11, 1815488), (16, 1248148), (19, 1051072), (22, 907744), (32, 624074), (38, 525536), (44, 453872), (64, 312037), (76, 262768), (88, 226936), (152, 131384), (176, 113468), (209, 95552), (304, 65692), (352, 56734), (418, 47776), (608, 32846), (704, 28367), (836, 23888), (1216, 16423), (1493, 13376), (1672, 11944), (2986, 6688), (3344, 5972)]