19876725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2677}}^1$

素因数の和:2707

約数の個数: 48

約数和(自身を含む): 39848640

約数和(自身を除く): 19971915

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2677, 7425, 8031, 13385, 24093, 29447, 40155, 66925, 72279, 88341, 120465, 147235, 200775, 265023, 361395, 441705, 602325, 736175, 795069, 1325115, 1806975, 2208525, 3975345, 6625575, 19876725]

約数ペア:

[(1, 19876725), (3, 6625575), (5, 3975345), (9, 2208525), (11, 1806975), (15, 1325115), (25, 795069), (27, 736175), (33, 602325), (45, 441705), (55, 361395), (75, 265023), (99, 200775), (135, 147235), (165, 120465), (225, 88341), (275, 72279), (297, 66925), (495, 40155), (675, 29447), (825, 24093), (1485, 13385), (2475, 8031), (2677, 7425)]