19831744

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 56

約数和(自身を含む): 42428160

約数和(自身を除く): 22596416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 347, 376, 608, 694, 752, 893, 1216, 1388, 1504, 1786, 2776, 3008, 3572, 5552, 6593, 7144, 11104, 13186, 14288, 16309, 22208, 26372, 28576, 32618, 52744, 57152, 65236, 105488, 130472, 210976, 260944, 309871, 421952, 521888, 619742, 1043776, 1239484, 2478968, 4957936, 9915872, 19831744]

約数ペア:

[(1, 19831744), (2, 9915872), (4, 4957936), (8, 2478968), (16, 1239484), (19, 1043776), (32, 619742), (38, 521888), (47, 421952), (64, 309871), (76, 260944), (94, 210976), (152, 130472), (188, 105488), (304, 65236), (347, 57152), (376, 52744), (608, 32618), (694, 28576), (752, 26372), (893, 22208), (1216, 16309), (1388, 14288), (1504, 13186), (1786, 11104), (2776, 7144), (3008, 6593), (3572, 5552)]