19154044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 41743296

約数和(自身を除く): 22589252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 521, 707, 1042, 1313, 1414, 2084, 2626, 2828, 3647, 5252, 6773, 7294, 9191, 13546, 14588, 18382, 27092, 36764, 47411, 52621, 94822, 105242, 189644, 210484, 368347, 684073, 736694, 1368146, 1473388, 2736292, 4788511, 9577022, 19154044]

約数ペア:

[(1, 19154044), (2, 9577022), (4, 4788511), (7, 2736292), (13, 1473388), (14, 1368146), (26, 736694), (28, 684073), (52, 368347), (91, 210484), (101, 189644), (182, 105242), (202, 94822), (364, 52621), (404, 47411), (521, 36764), (707, 27092), (1042, 18382), (1313, 14588), (1414, 13546), (2084, 9191), (2626, 7294), (2828, 6773), (3647, 5252)]