19643264

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 22768336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 197, 304, 328, 394, 608, 656, 779, 788, 1216, 1312, 1558, 1576, 2432, 2624, 3116, 3152, 3743, 5248, 6232, 6304, 7486, 8077, 12464, 12608, 14972, 16154, 24928, 25216, 29944, 32308, 49856, 59888, 64616, 99712, 119776, 129232, 153463, 239552, 258464, 306926, 479104, 516928, 613852, 1033856, 1227704, 2455408, 4910816, 9821632, 19643264]

約数ペア:

[(1, 19643264), (2, 9821632), (4, 4910816), (8, 2455408), (16, 1227704), (19, 1033856), (32, 613852), (38, 516928), (41, 479104), (64, 306926), (76, 258464), (82, 239552), (128, 153463), (152, 129232), (164, 119776), (197, 99712), (304, 64616), (328, 59888), (394, 49856), (608, 32308), (656, 29944), (779, 25216), (788, 24928), (1216, 16154), (1312, 14972), (1558, 12608), (1576, 12464), (2432, 8077), (2624, 7486), (3116, 6304), (3152, 6232), (3743, 5248)]