19174220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 25701940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2543, 3770, 5086, 7540, 10172, 12715, 25430, 33059, 50860, 66118, 73747, 132236, 147494, 165295, 294988, 330590, 368735, 661180, 737470, 958711, 1474940, 1917422, 3834844, 4793555, 9587110, 19174220]

約数ペア:

[(1, 19174220), (2, 9587110), (4, 4793555), (5, 3834844), (10, 1917422), (13, 1474940), (20, 958711), (26, 737470), (29, 661180), (52, 368735), (58, 330590), (65, 294988), (116, 165295), (130, 147494), (145, 132236), (260, 73747), (290, 66118), (377, 50860), (580, 33059), (754, 25430), (1508, 12715), (1885, 10172), (2543, 7540), (3770, 5086)]