19714761

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13831479

約数列:

[1, 3, 9, 11, 19, 33, 47, 57, 99, 141, 171, 209, 223, 423, 517, 627, 669, 893, 1551, 1881, 2007, 2453, 2679, 4237, 4653, 7359, 8037, 9823, 10481, 12711, 22077, 29469, 31443, 38133, 46607, 88407, 94329, 115291, 139821, 199139, 345873, 419463, 597417, 1037619, 1792251, 2190529, 6571587, 19714761]

約数ペア:

[(1, 19714761), (3, 6571587), (9, 2190529), (11, 1792251), (19, 1037619), (33, 597417), (47, 419463), (57, 345873), (99, 199139), (141, 139821), (171, 115291), (209, 94329), (223, 88407), (423, 46607), (517, 38133), (627, 31443), (669, 29469), (893, 22077), (1551, 12711), (1881, 10481), (2007, 9823), (2453, 8037), (2679, 7359), (4237, 4653)]