19004744

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 40578300

約数和(自身を除く): 21573556

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 677, 968, 1276, 1354, 2552, 2708, 3509, 5416, 7018, 7447, 14036, 14894, 19633, 28072, 29788, 39266, 59576, 78532, 81917, 157064, 163834, 215963, 327668, 431926, 655336, 863852, 1727704, 2375593, 4751186, 9502372, 19004744]

約数ペア:

[(1, 19004744), (2, 9502372), (4, 4751186), (8, 2375593), (11, 1727704), (22, 863852), (29, 655336), (44, 431926), (58, 327668), (88, 215963), (116, 163834), (121, 157064), (232, 81917), (242, 78532), (319, 59576), (484, 39266), (638, 29788), (677, 28072), (968, 19633), (1276, 14894), (1354, 14036), (2552, 7447), (2708, 7018), (3509, 5416)]